What is *The Power of When* by Michael Breus about?

*The Power of When* explores how aligning daily tasks with your biological clock (chronotype) enhances health, productivity, and decision-making. Michael Breus identifies four chronotypes—Bear, Lion, Dolphin, Wolf—and provides science-backed timing strategies for eating, working, exercising, and sleeping. The book combines circadian rhythm research with actionable advice to optimize schedules based on genetic predispositions.

Who should read *The Power of When*?

This book suits individuals struggling with energy slumps, poor sleep, or inefficient routines. Professionals, students, and biohackers will benefit from its chronotype-specific strategies. It’s also valuable for those interested in neuroscience or seeking personalized time-management solutions.

Is *The Power of When* worth reading?

Yes, for its unique focus on timing over generic productivity hacks. Readers gain actionable insights into circadian biology, though some critiques note the chronotype system may oversimplify individual variability. Ideal for those open to structured schedule adjustments.

What are the four chronotypes in *The Power of When*?

Breus categorizes chronotypes as: * **Bears** (50-55% of people): Follow solar rhythms, peak productivity mid-morning. * **Lions** (15-20%): Early risers, most alert before noon. * **Wolves** (15-20%): Night owls, creative bursts in evenings. * **Dolphins** (10%): Light sleepers, perform best in sporadic windows.

How does *The Power of When* suggest timing coffee intake?

Breus recommends drinking coffee 90-120 minutes after waking for Bears and Lions to avoid cortisol interference. Wolves benefit from afternoon espresso (1-3 PM), while Dolphins should limit caffeine after 2 PM. Misaligned timing disrupts sleep and energy cycles.

What is the best time to exercise according to *The Power of When*?

* **Bears**: Late morning (10 AM–2 PM). * **Lions**: Early morning (6–7 AM). * **Wolves**: Evening (6–7 PM). * **Dolphins**: Short, intense sessions midday. Aligning workouts with energy peaks maximizes endurance and fat burning.

How does *The Power of When* recommend timing meals?

Eat breakfast within 60 minutes of waking (Lions/Bears) or delay 2-3 hours (Wolves/Dolphins). Schedule lunch before 1 PM for Lions, 12-2 PM for Bears, and dinners before 8 PM. Late-night eating disrupts melatonin production, harming sleep quality.

What are the criticisms of *The Power of When*?

Critics argue the four chronotypes may not capture individual complexity, and rigid scheduling could stress those with irregular routines. Some advice (e.g., exact meal times) lacks flexibility for shift workers or caregivers.

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Entdecken Sie Ihren Chronotyp – und die beste Zeit zum Mittagessen, um nach einer Gehaltserhöhung zu fragen, Sex zu haben, einen Roman zu schreiben, Medikamente einzunehmen und vieles mehr

Michael Breus

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Entdecken Sie Ihren biologischen Chronotyp mit „The Power of When“, Dr. Michael Breus' wissenschaftlich fundiertem Leitfaden für das optimale Timing. Dieser revolutionäre Ansatz, der von Dr. Oz empfohlen und bei Oprah vorgestellt wurde, nutzt über 200 Studien, um aufzuzeigen, wann Sie schlafen, essen und arbeiten sollten, um Spitzenleistungen zu erbringen.

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Kapitel 1

Discovering Your Biological Rhythm: The Secret to Peak Performance

Have you ever wondered why some days you're firing on all cylinders, while on others you can barely drag yourself out of bed? The answer might not be what you're doing, but *when* you're doing it. In his groundbreaking book, sleep specialist Dr. Michael Breus reveals that timing is the ultimate life hack - one that requires minimal effort yet delivers maximum results. "The Power of When" has revolutionized how we understand personal productivity and wellness. Featured on Dr. Oz's must-read list and praised by Arianna Huffington as "a game-changer for health," this book has developed a cult following among productivity experts and wellness influencers alike. As one of only 163 psychologists worldwide with his credentials in sleep medicine, Dr. Breus brings unparalleled expertise to a topic that affects every aspect of our lives. The premise is deceptively simple: your body has precise inner timing mechanisms that have evolved over 50,000 years. By aligning your daily activities with these biological rhythms rather than fighting against them, you can dramatically improve your health, happiness, and performance. The modern world has disrupted our natural bio-time, but Dr. Breus provides a roadmap back to synchronicity - one that doesn't require overhauling your life, just making small adjustments to when you do things.

Kapitel 2

Understanding Your Chronotype: Are You a Dolphin, Lion, Bear, or Wolf?

Traditional chronobiology identified three chronotypes based on morningness and eveningness preferences: Larks (early risers), Hummingbirds (middle-of-the-road), and Owls (night people). However, Dr. Breus found this classification inadequate because it didn't account for sleep drive (genetic need for sleep) or personality traits that influence our daily rhythms. Instead, he redefined chronotypes into four mammalian categories that better reflect our evolutionary biology. These aren't just sleep patterns but comprehensive personality profiles that affect everything from metabolism to mood: Dolphins (10% of the population) are light sleepers with anxiety-related insomnia who often feel unrefreshed upon waking but become alert late at night. Intelligent and detail-oriented, they're perfectionists who excel at precision work but struggle with teamwork. Though anxious, they make attentive partners who provide exceptional emotional support. Typically thin with fast metabolisms, Dolphins tend to be "eat-to-live" types who don't prioritize exercise but may obsess about health choices. Lions (15-20%) wake naturally at dawn or earlier, feeling immediately energetic but tiring by late afternoon. Conscientious, stable, and optimistic, they're strategic overachievers who approach life linearly and methodically. Lions naturally assume leadership positions despite being introverts, making them perfect CEO material. They derive profound satisfaction from completing tasks and maintaining healthy lifestyles, though their early-to-bed schedule can limit social opportunities. Bears (50%) follow the solar cycle, waking up in a daze after hitting snooze once or twice. Friendly and extroverted with a high sleep drive requiring at least eight hours, Bears take a couple of hours to feel fully awake. They're team players professionally and easygoing partners personally, maintaining an even-keeled emotional state with good overall life satisfaction. Wolves (15-20%) struggle to wake before 9:00 a.m., remain groggy until midday, and don't feel tired until midnight or later. Creative, impulsive risk-takers, they're constantly seeking new experiences. Wolves often eat poorly, consuming high-fat, high-sugar foods late at night. Though sometimes standoffish, they can be extroverted party animals when in the right mood. Their intense emotional reactivity makes relationships challenging, but their insightful, intuitive minds make them excel in creative fields. Your chronotype is primarily genetic and can't be fundamentally changed, though you can make 1-2 hour adjustments within your natural range through lifestyle modifications. Chronotypes do naturally shift throughout life - toddlers tend to be Lions, teenagers Wolves, adults Bears, and seniors Lions or Dolphins.

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Kapitel 3

The Dolphin's Perfect Day: Navigating Life as an Anxious Insomniac

Dolphins represent the "tired and wired" chronotype - perpetually exhausted yet unable to shut down their racing minds at night. Their unique biochemical patterns include elevated cortisol (stress hormone) at night and lower levels in the morning - the opposite of other chronotypes. Their body temperature takes longer to decrease, and their cardiovascular system remains hyperaroused during sleep. Even more fascinating, brain regions associated with daydreaming remain active during both sleep and cognitive tasks, explaining their complaints about poor focus despite often high performance. For Dolphins, the optimal daily schedule focuses on two main goals: increasing morning energy and decreasing evening anxiety. Their day should begin at 6:30 AM with immediate exercise to raise cortisol levels, followed by a cool shower to increase alertness and a high-protein breakfast instead of carbs. The morning's slight tiredness creates an ideal environment for creative brainstorming, while afternoon alertness (4-6 PM) should be leveraged for focused work. Evening routines are crucial for Dolphins. They should eat carb-heavy dinners around 6:30 PM to boost serotonin, have sex around 8 PM rather than right before bed, and implement a "Power-Down Hour" at 10:30 PM with no screens. Most importantly, Dolphins shouldn't get into bed until 11:30 PM, when they're truly tired, to strengthen the bed-sleep association. "I discovered I was a Dolphin after decades of struggling with sleep," shares Maria, a graphic designer. "Following Dr. Breus's schedule, particularly exercising first thing in the morning and not getting into bed until I'm actually sleepy, has transformed my sleep quality. I'm not 'cured' of insomnia, but I've gone from 4 hours of fragmented sleep to 6 solid hours most nights."

Kapitel 4

The Lion's Perfect Day: Maximizing the Early Bird Advantage

Lions are the chronotype that naturally thrives as early risers, waking before dawn with immediate alertness. Their cortisol rises and melatonin drops around 3:30-4:00 AM, and their brain's white matter structure supports efficient waking. While Lions excel professionally - many CEOs and executives share this pattern - they struggle socially since their energy steadily declines throughout the day. The Lion's primary chronorhythmic goal is extending their exceptional morning energy further into the evening. Their day should start at 5:30 AM, but unlike common advice for early risers, Lions should eat breakfast within thirty minutes of waking rather than exercising immediately, which only increases their already high cortisol. Their morning hours (6-noon) are optimal for big-picture thinking, analytical work, and even sex, when their minds are sharpest. The afternoon brings a natural energy decline that Lions should embrace for creative thinking rather than fighting with caffeine. By shifting lunch to noon and exercising at 5 PM instead of morning, Lions gain crucial evening energy. A 6 PM protein-focused dinner and limiting alcohol after 7:30 PM helps them remain alert until a 10:30 PM bedtime, giving them precious extra social hours. "As a Lion, I always felt like I was missing out on social connections because I'd be exhausted by 8 PM when everyone else was just getting started," explains Robert, a marketing executive. "By shifting my exercise to late afternoon instead of morning and eating dinner earlier, I've gained at least two hours of evening alertness. I can now join colleagues for after-work events without feeling like a zombie."

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Kapitel 5

The Bear's Perfect Day: Finding Balance in the Majority Rhythm

Bears represent the most common chronotype, making up roughly half the population. They follow the solar cycle - waking with the sun and slowing down at sunset. Despite being the majority, Bears often work against their chronobiology through common habits like social jet lag (sleeping in on weekends), weekend warrior exercise patterns, and late-night snacking. The optimal Bear schedule aligns with their natural energy patterns throughout the day. Their physical peak hits between 6:00-7:00 PM, perfect for team sports or socializing. Dinner should be their smallest meal, eaten at 7:30 PM, helping prevent late-night snacking that contributes to belly fat. The hours from 8:00-10:00 PM are ideal for creativity and brainstorming when alertness is low but creative thinking peaks. Bears should implement a Power-Down Hour at 10:00 PM, shutting off all screens to prevent melatonin suppression. With proper sleep hygiene, Bears can fall asleep quickly at 11:00 PM, getting their needed eight hours through three phases: physical restoration, rest, and REM sleep. "I always thought I was just lazy because I couldn't spring out of bed at 5 AM like those motivational speakers recommend," says Ben, a retail supervisor. "Learning I'm a Bear was liberating. By following my natural rhythm - waking at 7 AM, having my biggest meal at breakfast, exercising after work, and getting to bed by 11 PM - my energy levels have completely stabilized. I'm no longer dragging myself through afternoons or crashing on weekends."

Kapitel 6

The Wolf's Perfect Day: Embracing Your Night Owl Nature

Wolves operate on a delayed biological clock compared to the rest of society. They struggle with early mornings, experiencing peak alertness and creativity in late afternoon when others are winding down. Rather than fighting their biology, Wolves should embrace their natural timing as an absolute like gravity - not something to overcome but to work with. The Wolf's day should begin with a "drift" period - setting two alarms twenty minutes apart and using the interval to ride the final waves of REM sleep in a creative, semiconscious state. This gives their body temperature time to rise sufficiently for movement. Rather than forcing immediate activity, Wolves should eat breakfast within an hour of waking but avoid morning coffee, which only makes them jittery when wake-up hormones are already flowing. Their true productivity starts around 2 PM, peaking between 4-6 PM when other chronotypes are winding down. Exercise is optimal around 6 PM when their physical capabilities peak. Wolves should delay dinner until 8 PM to prevent late-night snacking and begin winding down at 11 PM by shutting off screens. Their optimal bedtime is midnight, allowing for proper sleep phases including crucial REM sleep between 5-7 AM. "I spent years feeling guilty about not being a morning person," admits Ann, a graphic designer. "I'd force myself to wake up early, but I'd be foggy until afternoon. Since identifying as a Wolf and rearranging my schedule, I've stopped fighting my nature. My boss now knows I do my best creative work between 4-8 PM, and I schedule client meetings for late afternoon when I'm sharpest. The change in my productivity and mood has been remarkable."

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Kapitel 7

The Science of When: Optimizing Your Relationships Through Timing

The timing of interpersonal interactions significantly impacts their success and quality. Each chronotype has optimal windows for meaningful connection that align with their natural biological rhythms. For romantic relationships, understanding your partner's chronotype can prevent unnecessary conflict. Research shows that fighting when tired leads to overreactions and inability to control emotional responses. Even more concerning, bedtime arguments are particularly damaging because sleep consolidates negative emotions even if you've made up. Ideally, resolve conflicts at least three hours before sleep to allow time for positive experiences before memory consolidation occurs. Sexual timing also benefits from chronotype awareness. While 72% of sexual encounters happen at bedtime due to convenience, this contradicts our biological rhythms. Morning sex provides energy, reduces stress, and floods the brain with positive hormones that last throughout the day. Sexual preferences vary by chronotype - women generally prefer evening sex while men report strong desire in both mornings and evenings. For optimal satisfaction: Dolphins should aim for 8 PM, Lions for 6-7 AM, Bears for either 7 AM or 9 PM, and Wolves for 10 AM or 10:30 PM. Even parent-child interactions benefit from chronotype timing. Children's chronotypes shift with age - infants are typically Wolves, toddlers are Lions, grade-schoolers are Bears, and teenagers are Wolves. For meaningful talks with children ages 1-6, catch them right after lunch or dinner during their postprandial dip. For ages 7-12, aim for 3-5 PM after school during their afternoon mood boost - car rides work especially well. With teenagers, try around 10 PM when they become surprisingly talkative. "Understanding my husband is a Lion while I'm a Wolf explained so much about our relationship conflicts," shares Jennifer. "We used to argue terribly around 7 PM - exactly when he's at his lowest energy and I'm just hitting my stride. Now we save important conversations for weekend afternoons when our energy levels overlap better, and our relationship has improved dramatically."

Kapitel 8

Peak Performance: Timing Your Physical Activities for Maximum Results

Physical performance varies dramatically throughout the day based on your chronotype, affecting everything from workout effectiveness to injury risk. By aligning exercise with your body's natural rhythms, you can improve results while reducing potential harm. For running, the optimal time depends on your goals. If fat-burning is your aim, run either in the morning (fasting workout) or evening (decreases appetite). For performance, align with your chronotype - studies show performance varies by up to 26% depending on chronotype-time alignment. Morning runs improve sleep quality, with research showing a 75% increase in deep delta wave sleep. However, 6:00 AM is universally the worst time to run due to increased injury risk from low body temperature and stiff muscles. Strength training effectiveness is similarly time-dependent. While timing doesn't significantly affect muscle growth if you train daily, it does impact performance. Optimal strength training occurs when your core temperature is high and the cortisol-to-testosterone ratio is favorable - afternoon for Lions, early evening for Bears, and late evening for Dolphins and Wolves. Pain tolerance also follows chronotype patterns, with morning types (Lions) able to withstand more discomfort than evening types (Wolves) throughout the day. Team sports develop "mental toughness" - resilience, perseverance, and optimism. For most people, hand-eye coordination peaks between 5-8 PM, with strength and stamina peaking between 6-9 PM. Research with MLB players showed morning types hit better (.267) at 2 PM games while evening types excelled (.306) at 8 PM games. Even yoga benefits from chronotype timing. For maximum flexibility, practice when your body temperature is highest - about three hours after waking or in early evening. A cool body is stiff and injury-prone, so avoid sunrise, post-lunch, and late-night classes. Research shows yoga improves mental abilities and mood - particularly for Wolves, who showed the most significant positive shifts after sessions. "As a personal trainer, I've completely restructured my clients' workout schedules based on their chronotypes," explains Marcus. "My Wolf clients who struggled with morning sessions now train in the evening and have seen dramatic improvements in both performance and consistency. My Lion clients who were forcing themselves to exercise after work now train in the morning and report feeling energized rather than exhausted afterward."

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Kapitel 9

Health Optimization: Timing Medical Care for Better Outcomes

Our health is profoundly influenced by circadian rhythms, affecting everything from immune function to disease treatment effectiveness. This knowledge can be applied to maximize health outcomes through strategic timing. Your immune system operates on bio-time, with most healing occurring during the first third of night sleep when deep slow wave sleep increases. Cancer treatment timing matters significantly: tumors grow more aggressively at night when glucocorticoid hormones decrease, but EGFR-inhibiting drugs work better during sleeping hours. Sleep quality and duration directly impact immunity - studies show people sleeping less than six hours are significantly more likely to catch colds than those getting seven hours. Even vaccination effectiveness follows chronobiological patterns. While flu vaccines work for 50-70% of recipients, timing matters significantly - get vaccinated in early October before flu season peaks, as the shot takes two weeks to become effective. Exercise enhances vaccine effectiveness dramatically, with studies showing that exercising for 90 minutes immediately after vaccination can double antibody production by increasing circulation. Medical testing accuracy also varies by time of day. For mammograms, schedule during the first week of your menstrual cycle when breast tissue is less dense, which research shows yields positive readings 80% of the time versus 70% in later weeks. Additionally, book the first appointment of the day to minimize waiting as schedules typically get delayed as the day progresses. Medication timing can dramatically affect efficacy. Studies show specific medications work better at certain times: aspirin is more effective at bedtime (reducing platelet activity and stomach upset), statins work better before bed (when cholesterol production peaks), and blood pressure medication taken at night reduces heart attack and stroke risk by 33% compared to morning doses. "I've been taking my blood pressure medication at night instead of in the morning for the past six months," reports William, a retiree. "My readings have improved significantly, and my doctor has been able to reduce my dosage. It's remarkable how such a simple change in timing made such a difference."

Kapitel 10

Eating and Drinking: Aligning Consumption with Your Biological Clock

The timing of meals is crucial for weight management and health. Eating out of sync with your bio-time leads to weight gain and increased disease risk, while aligning meals with your biological rhythms supports weight loss and better health. Studies show that eating within an 8-12 hour window and following a four-hour ultradian rhythm helps maintain perfect digestive bio-time. Early eaters lose significantly more weight than late eaters, as demonstrated by a Spanish study where early eaters lost 22 pounds versus 17 pounds for late eaters. Three simple rules can transform your eating habits: eat within one hour of waking, follow the "king at breakfast, prince at lunch, pauper at dinner" portion pattern, and take your last bite three hours before bedtime. Caffeine consumption should be timed with your cortisol dips rather than first thing in the morning when your body already releases stimulating hormones. The optimal coffee times are: Dolphins (8:30-11 AM; 1-2 PM), Lions (8-10 AM; 2-4 PM), Bears (9:30-11:30 AM; 1:30-3:30 PM), and Wolves (12-2 PM). Remember that caffeine can suppress melatonin for forty minutes and takes 6-8 hours to metabolize halfway through your system. Alcohol severely disrupts biological clocks, but research shows your ability to metabolize it follows a daily rhythm - highest in the evening and lowest in the morning. This creates a "bio-time happy hour" when you can enjoy alcohol with minimal intoxication: Dolphins (6-8 PM), Lions (5:30-7:30 PM), Bears (6:30-8:30 PM), and Wolves (7-9 PM). Avoid morning drinking and nightcaps, as they disrupt sleep quality by preventing REM sleep. Strategic snacking maintains blood sugar levels and keeps metabolism functioning optimally. Lions should snack around 9:30 AM with their coffee, while other chronotypes benefit from afternoon snacking - research shows mid-afternoon snackers lose more weight (11.5% vs 7%) than morning snackers. "I've struggled with my weight for years despite trying various diets," shares Sarah. "Following Dr. Breus's advice to eat my largest meal at breakfast, finish dinner three hours before bed, and snack in the afternoon instead of morning has helped me lose 15 pounds in three months without changing what I eat, just when I eat it."

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Kapitel 11

Productivity Revolution: Timing Work for Maximum Effectiveness

Workplace success often depends on timing activities to align with your chronotype's natural peaks and valleys. From asking for raises to making important decisions, strategic timing can significantly improve outcomes. For requesting a raise, understand both workplace rhythms and your boss's mood patterns. Research shows Friday is optimal - it's the least productive workday but has the highest positive outlook as people anticipate the weekend. Peak pleasantness varies by chronotype: Dolphins at 4:00 PM, Lions at 2:00 PM, Bears at 6:00 PM, and Wolves at 8:00 PM. Learning follows a circadian rhythm with a U-shaped curve of cognitive performance. Different chronotypes use different brain regions when learning difficult material - Lions' frontal gyri activate more in mornings while Wolves' thalamic regions light up in evenings. The optimal learning times vary: Dolphins from 3:00 PM to 9:00 PM, Lions from 8:00 AM to 12:00 PM, Bears from 10:00 AM to 2:00 PM, and Wolves from 5:00 PM to 12:00 AM. Decision-making effectiveness follows the "framing effect rhythm" - people make more rational decisions during their on-peak hours and more emotional, risk-taking decisions during off-peak times. Sleep deprivation severely impairs decision-making abilities, comparable to being intoxicated. The optimal decision-making windows are: Dolphins from 4:00 PM to 11:00 PM, Lions from 6:00 AM to 11:00 AM, Bears from 3:00 PM to 11:00 PM, and Wolves from 5:00 PM to 12:00 AM. Memory formation follows a three-step process: acquisition (taking in new information), consolidation (solidifying it in your mind), and recall (retrieving it later). Sleep plays a crucial role in consolidation, with even a short nap after learning improving memory retention. NYU studies found mice who napped after learning performed twice as well as non-nappers, with sleep encouraging the growth of synapses specifically related to newly learned tasks. "As a college professor, I've restructured my lecture schedule based on chronotype research," explains Dr. Johnson. "I now teach analytical material in the morning when Lions and Bears are sharp, and creative topics in late afternoon when Wolves are engaged. Student performance and participation have improved dramatically across all chronotypes."

Kapitel 12

The Chronorhythm Advantage: Living in Sync with Your Natural Timing

Understanding and applying chronotype science represents the cutting edge of personalized health optimization. Just as we now understand that chemotherapy effectiveness varies by time of day and blood test results require time stamps, personalized chronorhythms will soon become standard in disease treatment and prevention. The power of this approach lies in its simplicity - you don't need to change what you do, just when you do it. By aligning your daily activities with your biological rhythms, you can improve sleep quality, manage weight more effectively, build muscle mass more efficiently, and reduce risk factors for heart disease and diabetes. Our chronorhythms naturally shift throughout our lifespan, though we maintain genetic predispositions toward certain patterns. Toddlers tend to be Lions, teenagers shift to Wolves, adults often settle into Bear patterns, and seniors frequently return to Lion or Dolphin tendencies. Understanding these shifts helps navigate life transitions more smoothly. External factors like seasonal changes and lunar cycles also influence our chronobiology. Research from the University of Basel found that melatonin levels drop dramatically around the full moon, with subjects experiencing their worst sleep during this phase. Seasonal affective disorder (SAD) primarily results from diminished sunlight exposure during winter months, with morning types (Lions) showing less susceptibility regardless of artificial light usage. "The most powerful aspect of chronotype science is how it validates our individual differences," concludes Dr. Breus. "There's no single 'right way' to structure your day - what works perfectly for a Lion would be disastrous for a Wolf. By honoring your natural biological rhythm rather than fighting against it, you can achieve optimal performance with less effort and greater satisfaction." The power of when isn't just about improving productivity or health metrics - it's about aligning your life with your true nature. When you stop fighting your chronotype and start working with it, you discover a more natural flow to your days, reduced stress, improved relationships, and a profound sense of living in harmony with your biological design. The ultimate life hack isn't changing who you are - it's becoming more fully yourself through the simple power of when.

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circadian rhythm alignment
chronotype identification
biological clock optimization
sleep medicine applications
strategic daily timing

Zitate aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Timing is the ultimate life hack - one that requires minimal effort yet delivers maximum results.
The modern world has disrupted our natural bio-time.
Dolphins represent the "tired and wired" chronotype.
Wolves often eat poorly, consuming high-fat, high-sugar foods late at night.
Lions naturally assume leadership positions despite being introverts.

Personen in Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Dr. Michael BreusAuthor and sleep specialist

Über den Autor

Dr. Michael J. Breus ist klinischer Psychologe, Bestsellerautor von The Power of When und ein wegweisender Experte auf dem Gebiet der Schlafmedizin. Er ist einer von weltweit nur 168 Psychologen, die vom American Board of Sleep Medicine zertifiziert sind.

Seine bahnbrechende Arbeit in den Bereichen Chronobiologie und Schlafoptimierung steht im Mittelpunkt dieses Biohacking-Ratgebers und zeigt auf, wie die Abstimmung täglicher Aktivitäten auf angeborene biologische Rhythmen die Produktivität, Gesundheit und Beziehungen verbessern kann.

Mit über 25 Jahren klinischer Praxis und Forschungsergebnissen aus mehr als 200 Studien erstellt Dr. Breus praxisnahe Konzepte für besseren Schlaf und allgemeines Wohlbefinden. Er ist ein häufiger Gast in The Dr. Oz Show (mit über 39 Auftritten) und regelmäßiger Autor für Today und WebMD.

Dr. Breus ist zudem der Autor von The Sleep Doctor’s Diet Plan und Good Night!, beides gefeierte Bücher, die die entscheidende Rolle des Schlafs für das Gewichtsmanagement und die Wellness untersuchen. Von Reader’s Digest als bester Schlafmediziner von Los Angeles ausgezeichnet, genießen seine Methoden das Vertrauen von Athleten, Fortune-500-Unternehmen und großen Fluggesellschaften. The Power of When wurde von The Today Show als eines der besten Lifestyle-Bücher seines Erscheinungsjahres gefeiert.

Zusammenfassung von Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr herunterladen

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Unbreakable: Retraining Your Biological Alarm

This plan is essential for high-performers and individuals struggling with chronic stress or anxiety who want to reclaim control over their physiological responses. It combines modern neuroscience with ancient Stoic philosophy to help anyone build an ironclad mindset against modern pressures.

2 h•4 Abschnitte

LERNPLAN

Morning Momentum for Chronic Procrastinators

This plan is essential for professionals and students who struggle with morning inertia and the 'snooze' cycle. It combines biological insights with behavioral engineering to help chronic procrastinators build a reliable system for starting their day with purpose.

1 h 30 m•3 Abschnitte

LERNPLAN

How to improve my time management

Modern professionals often struggle with burnout and constant distractions in an always-on world. This plan is designed for anyone looking to transition from being busy to being truly productive by mastering both biological rhythms and sophisticated organizational systems.

5 h 11 m•4 Abschnitte

Von Columbia University Alumni in San Francisco entwickelt

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

Erfahren Sie mehr darüber, wie BeFreed im Web diskutiert wird

Von Columbia University Alumni in San Francisco entwickelt

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

Erfahren Sie mehr darüber, wie BeFreed im Web diskutiert wird

Starten Sie Ihre Lernreise, jetzt

Kapitel 2

Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

ÜberblickÜberblick über Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Ein Buch. Viele Arten, es zu hören.

Discovering Your Biological Rhythm: The Secret to Peak Performance

Understanding Your Chronotype: Are You a Dolphin, Lion, Bear, or Wolf?

Sieh jedes Wort, während du es hörst

The Dolphin's Perfect Day: Navigating Life as an Anxious Insomniac

The Lion's Perfect Day: Maximizing the Early Bird Advantage

Hol mehr aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr heraus

The Bear's Perfect Day: Finding Balance in the Majority Rhythm

The Wolf's Perfect Day: Embracing Your Night Owl Nature

Sieh jedes Wort, während du es hörst

The Science of When: Optimizing Your Relationships Through Timing

Peak Performance: Timing Your Physical Activities for Maximum Results

Hol mehr aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr heraus

Health Optimization: Timing Medical Care for Better Outcomes

Eating and Drinking: Aligning Consumption with Your Biological Clock

Sieh jedes Wort, während du es hörst

Productivity Revolution: Timing Work for Maximum Effectiveness

The Chronorhythm Advantage: Living in Sync with Your Natural Timing

Du bist am Ende von Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr angekommen

Kernthemen in Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Zitate aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Personen in Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr

Über den Autor

Zusammenfassung von Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr herunterladen

Nutzern gefiel auch

FAQ zu diesem Buch

What is The Power of When by Michael Breus about?

Who should read The Power of When?

Is The Power of When worth reading?

What are the four chronotypes in The Power of When?

Teil eines Lernplans

Sleep better

Mehr entdecken

1,000,000+ curious minds.

1,000,000+ curious minds.

Ein Buch. Viele Arten, es zu hören.

Discovering Your Biological Rhythm: The Secret to Peak Performance

Understanding Your Chronotype: Are You a Dolphin, Lion, Bear, or Wolf?

Sieh jedes Wort, während du es hörst

The Dolphin's Perfect Day: Navigating Life as an Anxious Insomniac

The Lion's Perfect Day: Maximizing the Early Bird Advantage

Hol mehr aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr heraus

The Bear's Perfect Day: Finding Balance in the Majority Rhythm

The Wolf's Perfect Day: Embracing Your Night Owl Nature

Sieh jedes Wort, während du es hörst

The Science of When: Optimizing Your Relationships Through Timing

Peak Performance: Timing Your Physical Activities for Maximum Results

Hol mehr aus Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr heraus

Health Optimization: Timing Medical Care for Better Outcomes

Eating and Drinking: Aligning Consumption with Your Biological Clock

Sieh jedes Wort, während du es hörst

Productivity Revolution: Timing Work for Maximum Effectiveness

The Chronorhythm Advantage: Living in Sync with Your Natural Timing

Du bist am Ende von Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr angekommen

Nutzern gefiel auch

Teil eines Lernplans

Sleep better

Mehr entdecken

Überblick über Gute Zeiten, schlechte Zeiten: Die richtige Methode für mehr Erfolg, Gesundheit und Glück im Einklang mit Ihrer inneren Uhr