What is *The Wonder Weeks* by Xaviera Plas-Plooij about?

*The Wonder Weeks* explains 10 predictable developmental leaps infants experience in their first 20 months, tied to fussy phases and cognitive growth. It guides parents through each leap’s timing, behavioral changes (clinginess, crying), and activities to support skill development, emphasizing empathy and bonding. Grounded in 35+ years of research, it blends science with practical advice for nurturing babies through transformative stages.

Who should read *The Wonder Weeks*?

New and expecting parents, caregivers, and childcare professionals will benefit from this book. It’s ideal for those seeking to understand婴儿's fussy phases, sleep regressions, or sudden skill acquisitions. The research-backed insights and age-specific activity ideas help caregivers respond confidently to developmental shifts while strengthening parent-child connections.

How many developmental leaps are covered in *The Wonder Weeks*?

The book details **10 leaps**, starting at 5 weeks and ending around 75 weeks (20 months). Each leap marks a cognitive milestone, such as recognizing patterns (Leap 4) or understanding principles (Leap 9). Leaps are preceded by “stormy” fussy phases and followed by “sunny” periods of mastered skills.

Are *The Wonder Weeks* leaps scientifically proven?

Based on decades of observational research by developmental psychologists, the leaps describe universal嬰兒 growth patterns. However, some critics note individual variation in timing and intensity. The authors stress that leaps are frameworks, not strict schedules, encouraging parents to adapt guidance to their child’s unique needs.

How can parents support babies during developmental leaps?

The book suggests **sensory play**, **routine adjustments**, and **responsive bonding**. Examples include high-contrast toys for early leaps, simple cause-effect games (stacking cups) for middle leaps, and role-play for older infants. It emphasizes creating a calm environment and validating the嬰兒's frustrations during fussy phases.

What’s the difference between *The Wonder Weeks* book and app?

The book provides in-depth explanations of leaps, while the app offers weekly updates, milestone trackers, and personalized tips. Many parents use both: the book for foundational knowledge and the app for real-time guidance. The app became a global bestseller, generating 80-90% of the brand’s revenue.

Does *The Wonder Weeks* help with sleep regression?

Yes. Fussy phases often disrupt sleep, and the book explains how cognitive leaps contribute to regressions. It advises maintaining consistent bedtime routines, offering extra comfort, and avoiding overstimulation. For example, Leap 6 (37 weeks) may cause night wakings as babies process spatial relationships.

What are criticisms of *The Wonder Weeks*?

Some argue the leap timelines are too rigid, as development varies among infants. Others note it may heighten parental anxiety if milestones are misinterpreted as mandates. The authors clarify that leaps are guidelines, not diagnostics, and encourage flexibility in applying the research.

不思議な週数

# 赤ちゃんの行動に関するストレスフリーガイド

サヴィエラ・プラス＝プローイ

3.78(1356 Reviews)

『不思議な週数』の概要

「ワンダーウィーク」で赤ちゃんの成長の飛躍（メンタルリープ）を解読しましょう。これは、世界中の数え切れないほどの親たちが、なぜ乳児が突然ぐずり出すのかを理解するのに役立ってきた、研究に基づいたガイドです。35年にわたる研究に基づいたこの育児界の世界的ベストセラーは、あの不可解なぐずり期の背後にある予測可能なパターンを明らかにします。

語り方を選ぶ

1冊の本。さまざまな聴き方。

不思議な週数の同じアイデアを、あなたに合う声・深さ・ペースで学べます。いつでも切り替えられます。

第1章

When Your Baby Cries, It's Actually a Sign of Growth

The moment your baby enters the world, they embark on an extraordinary developmental journey. While most parenting books focus on physical milestones like rolling over or walking, "The Wonder Weeks" reveals something far more profound: your baby's mental development unfolds in predictable leaps that temporarily turn their world upside down. This revolutionary approach has made the book a global phenomenon, translated into over 20 languages and embraced by celebrities like Chrissy Teigen, who credits it with helping her understand her children's fussy periods. What began as chimpanzee research in Tanzania with Jane Goodall evolved into a groundbreaking parenting guide that has transformed how millions of parents understand their babies' behavior, particularly those mysterious periods of increased crying, clinginess, and crankiness.

第2章

The Science Behind the Storm: Understanding Developmental Leaps

Just as babies experience physical growth spurts, they undergo sudden, dramatic leaps in mental development. These leaps occur when the brain changes structurally, enabling babies to perceive their world in entirely new ways. While these changes ultimately lead to exciting new abilities, they initially create chaos from the baby's perspective-imagine waking up one morning to discover everything you thought you understood about the world had fundamentally changed overnight. During these transitions, babies typically display what the authors call the "three Cs": crying, clinginess, and crankiness. These behaviors aren't signs of regression or illness but actually herald tremendous cognitive advancement. Each leap follows a predictable pattern: first, brain changes occur that enable new perceptual abilities; next comes the fussy phase as babies struggle to make sense of their altered world; then the "magical leap forward" begins as they start exploring their new capabilities; finally, an "easy period" emerges once they've mastered these skills. What makes this approach revolutionary is its predictability. After studying thousands of babies, the researchers discovered these developmental leaps occur at specific ages, calculated from the baby's due date rather than birth date (because brain development progresses at the same pace whether in or out of the womb). This means parents can anticipate when their baby will become fussy and understand exactly what's happening in their little one's mind. The book outlines ten leaps during the first 20 months, each representing a fundamental shift in how babies perceive and interact with their world. For instance, the first leap at five weeks introduces the "world of changing sensations," while later leaps bring understanding of patterns, smooth transitions, events, relationships, categories, sequences, programs, principles, and finally systems. Each new perceptual world builds upon previous ones, creating increasingly complex cognitive structures. Understanding these leaps transforms parenting from a reactive struggle against inexplicable fussiness into a proactive journey of supporting your baby through predictable developmental transitions. When you recognize that your baby isn't "being difficult" but is actually experiencing profound mental growth, everything changes-including how you respond to their needs during these challenging periods.

聴きながら、すべての言葉を目で追えます

『不思議な週数』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

The Fussy Phase: When Your Baby's World Turns Upside Down

When your baby enters a fussy phase, they're essentially telling you, "My world has changed, and I need your help to make sense of it." These periods can be intensely challenging for parents, especially when they don't understand what's happening. Your previously content baby may suddenly become inconsolable, refuse to sleep, lose interest in feeding, or seem to regress in development. During these phases, babies instinctively seek security through physical closeness. They cling desperately to their parents because, quite literally, everything else in their world feels different and frightening. As one mother described her experience: "My daughter wouldn't let me put her down for even a moment. She'd scream if I tried to set her in her crib, even when she seemed sound asleep. It was exhausting, but once I understood she was going through a developmental leap, I stopped fighting it and just kept her close. The phase passed within a week." Each fussy phase has its own unique characteristics. In early leaps, babies might simply cry more and demand constant holding. By later leaps, their repertoire expands to include behaviors like deliberately testing boundaries, throwing tantrums, or using clever tactics to maintain parental attention. For example, during Leap 7 (around 46 weeks), many babies alternate between being unusually sweet and deliberately mischievous-both strategies designed to keep parents engaged. Parents often misinterpret these behaviors as signs of illness, hunger, or teething. They may worry something is physically wrong or that they're doing something incorrectly. The pediatrician's office becomes a familiar destination during these phases, only for parents to hear that their baby is perfectly healthy. This uncertainty undermines parental confidence precisely when babies need their parents' steady support most. Understanding the predictable timing of these phases gives parents a tremendous advantage. Instead of frantically searching for explanations, they can prepare themselves mentally and practically. They can clear their schedules during expected fussy periods, arrange additional support, and most importantly, respond to their baby's increased need for physical contact and reassurance without feeling they're "spoiling" them or creating bad habits. The authors emphasize repeatedly that you cannot spoil a baby by responding to their needs during these developmental transitions. In fact, providing the security they crave actually helps them navigate the leap more successfully, enabling them to explore their new abilities more confidently once the initial disorientation passes.

第4章

The Magical Leap Forward: Discovering New Abilities

After weathering the storm of the fussy phase, something remarkable happens: your baby begins to demonstrate fascinating new skills and behaviors. This is the "magical leap forward"-the payoff for all those challenging days and nights. As your baby's brain adapts to its new perceptual abilities, they start exploring what they can do with these capabilities. Each leap brings its own distinctive set of potential skills. During Leap 1 (around 5 weeks), babies might begin showing more social smiles, looking at objects longer, or responding differently to sounds. By Leap 5 (around 26 weeks), they're exploring spatial relationships-putting objects inside containers, throwing things to observe trajectories, or crawling into, under, and through spaces. By Leap 10 (around 75 weeks), they're creating complex pretend scenarios, drawing representational art, and forming simple sentences. What's fascinating is that while all babies gain the same perceptual abilities at roughly the same ages, they choose different skills to develop first based on their unique interests and temperaments. Some babies prioritize physical exploration, others focus on social interaction, while still others become absorbed in examining objects or making sounds. These early preferences often reflect enduring personality traits that parents can observe throughout childhood. Parents play a crucial role during this exploratory phase. By providing appropriate opportunities, materials, and gentle guidance, you can help your baby discover and practice their new abilities. For instance, during Leap 3 (the world of smooth transitions around 12 weeks), you might engage your baby in "conversations" where you take turns making sounds, helping them discover the joy of vocal interaction. During Leap 6 (the world of categories around 37 weeks), you might provide different textures for them to explore as they learn to categorize sensory experiences. The book emphasizes following your baby's lead rather than pushing skills they aren't interested in. Your baby instinctively knows what they need to practice, and forcing development in areas they're not ready for only creates frustration. As one father noted: "My son showed zero interest in stacking blocks during Leap 6 when the book said he might. Instead, he was obsessed with putting things in containers and taking them out again. Two leaps later, he suddenly became interested in building towers. I realized he was following his own developmental path, just not on my timeline." This period of discovery transforms not just your baby but your relationship with them. As you observe and support their exploration, you gain deeper insight into who they are becoming. The fussiness that seemed so difficult just days or weeks earlier now makes sense as you witness the remarkable new abilities emerging.

『不思議な週数』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第5章

Sleep and Leaps: Understanding Your Baby's Changing Sleep Patterns

Perhaps no aspect of parenting generates more anxiety than sleep-both the baby's and the parents'. "The Wonder Weeks" provides crucial insights into why babies' sleep patterns change during developmental leaps and how these changes reflect important brain development. Babies' sleep fundamentally differs from adult sleep in several key ways. While adults complete a sleep cycle in about 120 minutes, newborns cycle in just 40 minutes, and babies under nine months in 50-60 minutes. Babies also spend proportionally much more time in REM (rapid eye movement) sleep-about 50% compared to adults' 20%. This increased REM sleep serves a vital purpose: during this phase, blood flow to the brain nearly doubles, stimulating neurons and creating new brain connections essential for cognitive development. During developmental leaps, babies typically experience significant sleep disruptions. They may resist bedtime, wake more frequently, take shorter naps, or seem to have nightmares. These disturbances occur because their brains are working overtime to process new perceptual abilities. The increased blood flow and neural activity during REM sleep become even more pronounced as they integrate these new capabilities. Parents often mistake these normal developmental sleep changes for "sleep problems" that need fixing. They may try various training methods to force their baby back into previous sleep patterns, not realizing these disruptions serve an important biological purpose. As the authors explain: "Forcing unnatural sleep patterns through rigid training may disrupt important biological processes and bonding." Certain leaps are particularly notorious for sleep disruption. Leap 4 (around 19 weeks), Leap 6 (around 37 weeks), and Leap 10 (around 75 weeks) typically create the most challenging sleep regressions. These "overarching" leaps integrate previous developmental gains, requiring intensive brain processing that affects sleep quality. Rather than fighting these natural patterns, the book encourages parents to adapt their own sleep strategies during leaps. Practical suggestions include taking turns sleeping separately, asking for help from family or friends, using baby slings for daytime naps, focusing on healthy nutrition rather than relying on caffeine and sugar, and most importantly, adjusting expectations about what constitutes "normal" infant sleep. Understanding the biological basis for sleep changes helps parents approach nighttime parenting with greater patience and flexibility. As one mother shared: "When my daughter suddenly started waking every two hours at 19 weeks after sleeping six-hour stretches, I was devastated. Then I read about Leap 4 and realized this wasn't a permanent regression but a temporary phase related to her brain development. That knowledge helped me cope until things improved a few weeks later."

第6章

Parental Stress and Self-Care: Staying Balanced Through the Leaps

While "The Wonder Weeks" primarily focuses on babies' development, it also acknowledges the profound impact these leaps have on parents' wellbeing. The constant demands of a clingy, fussy baby combined with sleep deprivation can create significant stress for even the most resilient caregivers. The authors emphasize that parental stress isn't a sign of weakness or inadequacy but a natural response to the intense demands of caring for a developing child. Using the Holmes and Rahe stress scale, they demonstrate how parenthood-related life events accumulate stress points, with scores above 150 indicating vulnerability to stress-related conditions. A typical new mother returning to work after having a baby easily scores 179 points, while new fathers often reach 154 points. This stress manifests physically as well as emotionally. Parents frequently report headaches, backaches, digestive issues, and compromised immune function during their babies' fussy phases. Emotionally, they may experience anxiety, irritability, feelings of inadequacy, or even symptoms of depression. These reactions are compounded when parents don't understand why their previously content baby has suddenly become so demanding. The book distinguishes between three levels of parental distress: normal postpartum parental stress (which affects virtually all parents), postpartum anxiety (affecting about 1 in 5 parents), and postpartum depression (the most severe form). While some stress is inevitable, parents should seek help if they experience persistent worrying thoughts that control their thinking, panic attacks, constant restlessness, or inability to sleep even when their baby is sleeping. Self-care becomes particularly crucial during leap periods. The authors recommend taking regular "anchor moments" throughout the day-brief opportunities to reset through activities like mindful breathing, listening to music, taking short walks, or simply sitting quietly. These moments don't require extensive time but can significantly reduce stress levels when practiced consistently. Perhaps most importantly, the book validates parents' experiences and normalizes the challenges they face. By understanding that certain periods will predictably be more difficult than others, parents can prepare mentally and practically. They can arrange additional support during expected fussy phases, communicate their needs more clearly to partners and family members, and approach challenging behaviors with greater patience and perspective. As one father noted: "Knowing that my son's clingy behavior during Leap 5 was normal and temporary completely changed my response. Instead of feeling frustrated that he wouldn't let me put him down, I embraced the extra cuddles and reminded myself this phase would pass. That mental shift made all the difference."

聴きながら、すべての言葉を目で追えます

『不思議な週数』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

Navigating the Ten Leaps: A Roadmap for Your Baby's First 20 Months

The heart of "The Wonder Weeks" is its detailed exploration of the ten developmental leaps babies experience during their first 20 months. Each leap represents a fundamental shift in perception that transforms how babies understand and interact with their world. Leap 1: The World of Changing Sensations (5 weeks) Your baby begins to notice changes in sensory input across all senses-not just vision but also hearing, touch, taste, and smell. They become fascinated by contrasts, patterns, and variations in sensory experiences. Parents might notice their baby staring intently at high-contrast objects, responding differently to various sounds, or showing preferences for certain tactile sensations. Leap 2: The World of Patterns (8 weeks) Babies start recognizing simple patterns in their world and their own bodies. They discover their hands belong to them and begin attempting to control their movements. They become fascinated by repeating patterns in sounds, visuals, and movements. This is when many babies begin "talking" with short bursts of vowel sounds and showing more intentional control over their limbs. Leap 3: The World of Smooth Transitions (12 weeks) Your baby's jerky movements begin transforming into fluid ones as they perceive smooth transitions between positions. Their head control improves dramatically, they follow objects with better-coordinated eye movements, and they begin experimenting with their voice through shrieking, gurgling, and making vowel-like sounds that range from high to low pitch. Leap 4: The World of Events (19 weeks) Babies begin to perceive and create short sequences of smooth transitions, understanding events as predictable series of actions. They can repeat movements in sequence-shaking toys, passing objects between hands, or grabbing something and immediately putting it in their mouth. Their babbling becomes more complex with alternating vowel and consonant sounds. Leap 5: The World of Relationships (26 weeks) Babies discover relationships between objects, people, and sensations. They grasp spatial concepts like distance, inside/outside, and above/below. They understand cause-and-effect relationships and recognize when people and objects belong together. This leap brings separation anxiety as babies realize parents can move away from them. Leap 6: The World of Categories (37 weeks) Babies learn to classify their world into categories based on shared characteristics. They understand that different things can be similar-that horses can be brown, white, or spotted; real or in pictures; yet all belong to the category "horse." They experiment with categorizing by texture, weight, shape, and even emotions. Leap 7: The World of Sequences (46 weeks) After previously focusing on taking things apart, babies now try putting things together in specific orders. They understand that reaching goals requires following certain sequences and can anticipate next steps in familiar routines. They point to direct adults or identify objects in sequence and make connections between sounds and their sources. Leap 8: The World of Programs (55 weeks) Babies grasp that end results can be reached through multiple pathways-programs are more flexible than rigid sequences. They can plan actions to achieve goals, like getting a broom to sweep or fetching their coat to go outside. They enjoy pretend play, simple stories, and back-and-forth "conversations." Leap 9: The World of Principles (64 weeks) Toddlers discover they can choose different approaches based on circumstances rather than following mechanical routines. They experiment with various strategies-being careful or reckless, sweet or assertive-discovering that different approaches yield different results. They become more resourceful as their skills sharpen across all domains. Leap 10: The World of Systems (75 weeks) The final leap brings understanding of interconnected principles functioning as organized units. Toddlers see themselves as systems and recognize their families as distinct units. They develop early conscience, greater self-awareness, and improved language skills. Their play becomes more sophisticated with complex pretend scenarios and representational art. Throughout these leaps, the book emphasizes that while the timing of perceptual changes is consistent across babies, the specific skills each baby develops first vary widely based on individual temperament, interests, and physical attributes. Parents are encouraged to observe their baby's unique developmental path rather than comparing them to others or pushing skills they aren't ready for.

第8章

Transforming Parenting Through Understanding

"The Wonder Weeks" fundamentally changes how parents interpret their baby's behavior. Rather than seeing fussiness as a problem to solve or eliminate, they recognize it as a signal of important developmental progress. This perspective shift transforms not just how parents respond to challenging behaviors but how they feel about themselves and their relationship with their child. When parents understand the "why" behind their baby's fussy periods, they can approach these phases with greater confidence and patience. Instead of feeling helpless or incompetent when their baby becomes clingy and cranky, they recognize these behaviors as normal, temporary, and actually positive indicators of cognitive development. As one mother expressed: "Before reading this book, I thought I was doing something wrong when my baby suddenly became inconsolable. Now I see these fussy periods as growth spurts for his brain, and I feel equipped to help him through them." The predictable nature of these leaps gives parents a tremendous advantage. By knowing when challenging periods will occur, they can prepare practically and emotionally. They can clear their schedules during expected fussy phases, arrange additional support, and approach their baby's increased needs with greater understanding and fewer feelings of frustration or resentment. Perhaps most importantly, the book validates parents' instincts to comfort and support their babies during difficult periods. In a parenting culture often focused on independence and self-soothing, "The Wonder Weeks" provides scientific backing for responsive parenting. It reassures parents that picking up a crying baby, providing physical comfort during fussy phases, and adjusting expectations during developmental transitions isn't "spoiling" their child but actually supporting healthy brain development. This approach empowers parents to trust themselves rather than rigid external advice. As the authors emphasize: "You know your baby better than anyone else in the world... You are the expert on your baby." This confidence in their own judgment allows parents to make decisions based on their unique child's needs rather than one-size-fits-all recommendations. By reframing challenging periods as opportunities for connection and support rather than problems to solve, "The Wonder Weeks" transforms the early parenting journey from a series of mysterious struggles into a meaningful developmental partnership. Parents become active participants in their baby's cognitive growth, offering the security and guidance needed to navigate these profound transitions.

『不思議な週数』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第9章

Beyond the Leaps: Continuing Development and Long-Term Impact

While "The Wonder Weeks" focuses primarily on the first 20 months, the authors acknowledge that developmental leaps continue throughout childhood and even into adulthood. Major transitions like starting school, entering puberty, or facing significant life changes all represent periods when our perception of the world fundamentally shifts, requiring adaptation and integration. The book draws on Gabriel Garcia Marquez's observation that humans must "give birth to themselves" repeatedly throughout life. Each developmental transition represents both a challenge and an opportunity-a period of disorientation followed by expansion of capabilities and understanding. By recognizing this pattern early in our children's lives, we gain insight into human development that extends far beyond infancy. The skills and approaches parents develop while supporting their babies through these early leaps-patience during challenging phases, celebration of new abilities, recognition of individual temperament and preferences-create a foundation for positive parenting throughout childhood. Parents who understand developmental transitions are better equipped to support their children through later challenges like starting school, navigating social relationships, or handling academic pressures. Perhaps most profoundly, "The Wonder Weeks" helps parents appreciate the extraordinary cognitive journey their babies undertake in those first critical months. As one father reflected: "Before reading this book, I saw my daughter's development mainly in terms of physical milestones-rolling over, sitting up, walking. Now I understand the incredible mental transformations happening beneath the surface. It's given me a whole new appreciation for the complexity of her development and made me a more patient, attentive parent." By illuminating the invisible but profound mental development occurring during the first 20 months, the book transforms how parents understand not just their babies but human development itself. We come to see that those challenging fussy periods aren't obstacles to overcome but essential components of growth-the necessary storms that precede developmental breakthroughs. In this reframing lies perhaps the book's greatest gift: the ability to find meaning and purpose in even the most difficult moments of early parenthood.

★★★★★

『不思議な週数』を最後まで読み終えました

100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

jayallen

『不思議な週数』の主要テーマ

infant developmental leaps
cognitive milestones
baby fussy periods
predictable behavioral patterns
mental growth spurts

『不思議な週数』の名言

These behaviors aren't signs of regression or illness but actually herald tremendous cognitive advancement.
When your baby enters a fussy phase, they're essentially telling you, "My world has changed, and I need your help to make sense of it."
The authors emphasize repeatedly that you cannot spoil a baby by responding to their needs during these developmental transitions.

『不思議な週数』の登場人物

Xaviera Plas-PlooijAuthor and expert on infant mental development

著者について

Xaviera Plas-Plooijは、世界的なベストセラー『The Wonder Weeks: A Stress-Free Guide to Your Baby’s Behavior』（邦題：赤ちゃんの心の進化 5000件の観察データからわかった「ぐずり期」の乗り越え方）の著者であり、乳幼児の認知発達における第一人者です。両親であるFrans X. Plooij博士とHetty van de Rijt博士との共著により、チンパンジーと人間の発達の飛躍（リープ）に関する先駆的な研究を、世界的な育児現象へと発展させました。

現在第6版まで出版され、40以上の言語に翻訳されている本書は、科学的な厳密さと実践的なアドバイスを融合させ、赤ちゃんの最初の20ヶ月間に起こる予測可能な10の発達段階を親たちに示しています。Plas-Plooijはまた、400万回以上ダウンロードされている関連アプリの陣頭指揮を執り、保護者向けにパーソナライズされたトラッキングツールを提供しています。

児童発達における信頼できる専門家として、彼女はLumi by Pampersの専門家諮問委員を務めており、講演活動やメディア出演を通じて世界中の親たちと頻繁に交流しています。その他の著作には、『The Wonder Weeks Milestone Guide』や『Hét zwangerschapshandboek』（妊娠ハンドブック）などがあり、家族のウェルネスにおける彼女の専門性をさらに確固たるものにしています。1992年にオランダで出版されて以来、200万部以上を売り上げている『The Wonder Weeks』は、幼児期の変革期を歩む親たちにとって、今なお不可欠なリソースであり続けています。

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"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

BeFreedがウェブ上でどのように話題になっているかをもっと見る

コロンビア大学卒業生がサンフランシスコで開発

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

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第7章

不思議な週数

概要『不思議な週数』の概要

1冊の本。さまざまな聴き方。

When Your Baby Cries, It's Actually a Sign of Growth

The Science Behind the Storm: Understanding Developmental Leaps

聴きながら、すべての言葉を目で追えます

The Fussy Phase: When Your Baby's World Turns Upside Down

The Magical Leap Forward: Discovering New Abilities

『不思議な週数』をもっと深く楽しむ

Sleep and Leaps: Understanding Your Baby's Changing Sleep Patterns

Parental Stress and Self-Care: Staying Balanced Through the Leaps

聴きながら、すべての言葉を目で追えます

Navigating the Ten Leaps: A Roadmap for Your Baby's First 20 Months

Transforming Parenting Through Understanding

『不思議な週数』をもっと深く楽しむ

Beyond the Leaps: Continuing Development and Long-Term Impact

『不思議な週数』を最後まで読み終えました

『不思議な週数』の主要テーマ

『不思議な週数』の名言

『不思議な週数』の登場人物

著者について

不思議な週数の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is The Wonder Weeks by Xaviera Plas-Plooij about?

Who should read The Wonder Weeks?

How many developmental leaps are covered in The Wonder Weeks?

Are The Wonder Weeks leaps scientifically proven?

この学習プランの一部

Raising 2 year olds

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

When Your Baby Cries, It's Actually a Sign of Growth

The Science Behind the Storm: Understanding Developmental Leaps

聴きながら、すべての言葉を目で追えます

The Fussy Phase: When Your Baby's World Turns Upside Down

The Magical Leap Forward: Discovering New Abilities

『不思議な週数』をもっと深く楽しむ

Sleep and Leaps: Understanding Your Baby's Changing Sleep Patterns

Parental Stress and Self-Care: Staying Balanced Through the Leaps

聴きながら、すべての言葉を目で追えます

Navigating the Ten Leaps: A Roadmap for Your Baby's First 20 Months

Transforming Parenting Through Understanding

『不思議な週数』をもっと深く楽しむ

Beyond the Leaps: Continuing Development and Long-Term Impact

『不思議な週数』を最後まで読み終えました

他のユーザーのお気に入り

この学習プランの一部

Raising 2 year olds

もっと見る

『不思議な週数』の概要