Sleep

Baby & toddler sleep

Sleep questions change fast in the first few years. These guides cover wake windows, naps, night wakings, and the regressions that show up right when you thought you had a rhythm.

Start with your problem

Pick the thing that is going wrong tonight. Each path has one main guide, the tool that fits it, and a few more reads.

Short naps

30-minute naps, one nap that always fails, or a baby who will not sleep by day at all.

Main guideBaby Wakes After 30 Minutes Nap? The Fix (Overtired vs Undertired)ToolBaby sleep schedule

Night waking

Waking every hour, waking crying, or a good sleeper who suddenly is not.

Main guideBaby Waking Up Crying at Night? 7 Common Causes (+ What Helps Tonight)ToolWake windows calculator

Waking at 5 a.m.

The day starts before six, every day, whether the night was good or bad.

Main guideBaby waking at 5 a.m. every day? Causes + 7-day fix plan ToolBaby sleep schedule

Falling asleep

Only sleeps on you, fights bedtime, or needs a parent in the bed every single night.

Main guideBaby only sleeps when held: why it happens and how to gently change it ToolWake windows calculator

Dropping a nap

Two naps to one, one to none, and the weeks in between when nothing fits.

Main guideWhen do toddlers drop to one nap? Signs and ages ToolBaby sleep schedule

Sleep regressions

It was working, then a leap, a tooth or a new skill undid it. By age, with what helps.

Main guideBaby Sleep Regression Ages: Chart, How Long Each One Lasts

Sleep is the question almost every parent ends up googling at 3 a.m. It changes constantly in the early years, and just when a rhythm finally settles, a regression or a new tooth arrives to undo it. Most of what feels like a problem is actually normal development, even when it is exhausting.

This topic gathers our guides on how babies and toddlers actually sleep, why they wake, and what realistically helps. You will find articles on:

wake windows and how much awake time fits each age
naps, dropping naps, and short-nap stretches
night wakings and the common sleep regressions
bedtime battles and winding-down routines
what to expect month by month

Newborn sleep looks nothing like toddler sleep, and that is the first thing worth knowing. In the early weeks a baby has no body clock at all, sleeping in short bursts around the clock and often mixing up day and night. Over the first months that rhythm slowly organises itself, naps consolidate, and night stretches lengthen, but the pace is wildly individual. Comparing your baby to the one next door rarely helps, because two healthy children can be months apart and both completely on track.

A few principles run through all of it. Sleep is driven by two things working together: how tired your child is, and where they are in their body clock. When awake times are too long or too short, bedtime gets harder, and no routine fully fixes a timing problem. An overtired child, counterintuitively, often fights sleep more and wakes more, so protecting naps and a sensible bedtime usually does more than any single settling technique.

Consistency matters more than any one method. A calm, predictable wind-down tells a small nervous system that sleep is coming, and that signal works far better than any trick. It is also worth letting go of the idea that a baby should sleep straight through early on. Waking is biologically normal in the first year and beyond, often for hunger or comfort, and a child who needs you at night is not broken or spoiled.

Regressions deserve a special mention, because they catch almost everyone off guard. A baby who slept beautifully can suddenly wake hourly around a developmental leap, and it feels like everything you did has stopped working. In most cases it has not. These phases usually pass on their own within one to three weeks, so it is worth holding your routine steady rather than starting something new in the middle of one.

Pick the guide that matches your current struggle, whether it is a newborn with day-night confusion or a toddler who suddenly fights bedtime. Each is short, practical, and meant to be tried tonight.

Start hereBaby sleep guide 0–2 years: what to expect and what actually helpsBaby sleep 0–2 years: how much is normal, why babies wake at night, the role of wake windows, the 2→1 nap transition, and what consistently helps families.7 min read

All articles

Baby sick and not sleeping? What to relax, what to holdYour child is ill right now and the nights have fallen apart. What you can relax, what to stay firm on, and how to get the routine back once they recover.9 min read

Daylight Saving Time and Baby Sleep: Shifting the ScheduleClocks change and your baby wakes at 5am. Why it happens, three ways to shift the schedule, a day-by-day plan, and what to do if you forgot until Saturday.11 min read

Sleep Training Twins in a Shared Room: What Actually WorksWorried one twin will wake the other during sleep training? Here's how to adapt a shared room, what sleep research actually says, and what to expect this week.10 min read

How to Stop Co-Sleeping: Moving Your Toddler to Their Own BedReady to end bed-sharing with your toddler? A four-stage plan, what to do at 2am, the mistakes that quietly undo progress, and when to call your pediatrician.11 min read

Sleep Training Methods Compared: Gentle to Cry-It-OutCompare gentle fading, chair method, Ferber checks, and cry-it-out sleep training. See timelines, safety research, and how to choose the right one for you.9 min read

Toddler Climbing Out of the Crib: When to Switch to a BedYour toddler keeps climbing out of the crib? Learn how to make it safer, when it is really time to switch to a bed, and how to survive the first rough nights.10 min read

Split Nights: Why Is My Baby Awake for Hours at Night?Baby wakes at 2am and stays awake, happy, for hours? That is a split night. Why it happens, the schedule fix that usually works, and when it is something else.8 min read

Moving Baby to Their Own Room: When and HowWhen and how to move your baby to their own room: readiness signs, a gentle step-by-step plan, and the safe-sleep rules that keep the whole move calm.9 min read

Baby Won't Sleep Without Motion? Why It Happens and How to Fade ItBaby only sleeps with rocking, bouncing, or a car ride? Here's why motion sleep happens, plus a gentle, step-by-step plan to fade the habit calmly by age.7 min read

4-Month Sleep Regression: How Long It Lasts and What HelpsThe 4-month sleep regression starts around 3.5–5 months and lasts 2–6 weeks. Here's why it happens, the real signs, and the fixes that actually work well.10 min read

3-Year-Old Sleep and Naps: What to ExpectHow much sleep does a 3-year-old need, when do they drop the nap, and how to handle bedtime stalling and night fears? A calm, practical guide by age range.11 min read

Baby Sleep on Holiday: Why It Breaks and How to Fix ItBaby sleep falls apart on holiday? It's the new room, heat and late nights, not a regression. How to protect naps away from home and re-settle once back.10 min read

2-Month-Old Sleep Schedule: Realistic Rhythms That WorkWhat a realistic 2-month-old sleep schedule looks like: total sleep, wake windows, naps, feeds, and a flexible sample day. Plus when day-night confusion ends.8 min read

Baby Wakes Up Crying After a Nap? Causes and What HelpsBaby wakes up crying after every nap? Why it happens, sleep inertia vs hunger vs overtiredness, what to do in the first five minutes, and when it's a pattern.7 min read

Newborn Sleep (0-3 Months): What to ExpectHow newborns really sleep in the first 3 months: short irregular stretches, safe sleep on the back, gentle settling, and exactly when to call a doctor.11 min read

Baby Wakes Up Screaming Suddenly (0–12 Months): What HelpsBaby wakes up screaming suddenly? Real causes (partial arousals, teething, reflux, overtiredness), what to do tonight, and when to call the pediatrician.8 min read

Baby Wakes Up After 45 Minutes Every Nap: Causes and Fix (0–12 Mo)Baby wakes after 45 minutes every nap? The classic "45-minute intruder": why it happens by age, the 5 fixes that work, and when it resolves on its own.10 min read

Baby Sleeps Well During the Day but Bad at Night: Why and FixBaby sleeps great in the day but is awake half the night? Why "day-night reversal" happens by age, the 5-step fix that actually flips it, and red flags.9 min read

Toddler Wakes Up Too Early After a Good Night: Fix for Ages 1–3Toddler waking at 5 a.m. after sleeping through? Do the sleep maths first, then the four timing levers, and the signs that point to a real sleep problem.10 min read

Toddler Stalling Bedtime: Why It Happens and What Actually WorksToddler stalling at bedtime? Why it really happens, how to tighten the routine, cut the nightly negotiation, and which red flags are worth a call to the doctor.12 min read

Baby Fights the Last Nap Every Day: Why and What to DoYour baby fights the last nap every day? Why it happens by age, what it usually signals (often a nap transition), and the right fix for tonight and tomorrow.11 min read

Toddler Night Terrors vs Nightmares: Differences and What to DoNight terrors vs nightmares in toddlers: how to tell them apart, what to do during each, when it is normal, and the red flags that mean call the doctor.10 min read

Baby Wakes Up Every Hour at Night: Causes and What HelpsBaby waking every hour at night? Why sleep cycles make it look like a timer, causes by age, what to try tonight, and which signs mean calling your doctor.9 min read

18-month sleep regression: signs, how long, and what to doThe 18-month sleep regression: why bedtime becomes a negotiation, which teeth are really coming in, how long it lasts, and when to call the pediatrician.10 min read

Why does my baby take 20-minute naps? Causes + how to extendWhy does your baby nap only 20 minutes? Sleep-cycle biology, age-by-age fixes, a 14-day extend-the-nap plan, common mistakes, and when to call the doctor.10 min read

12-month sleep regression: signs, how long, and what to doThe 12-month sleep regression: which signs point to walking and which to a nap change, how long it usually lasts, a 14-day plan, and when to call the doctor.11 min read

Why does my baby wake up happy at 5am? Causes + how to shiftBaby wakes up happy at 5am? Why early wake-ups are usually normal, when they are not, light + nap fixes that move morning later, when to see a doctor.10 min read

Toddler refuses bedtime every night? Causes + 7-day calming planToddler refuses bedtime nightly? Why it happens (autonomy, overtired, separation), a 7-day calming plan, common mistakes and when to call the pediatrician.9 min read

Baby Only Naps 30 Minutes? Why It Happens (and What Helps)If every nap ends at one sleep cycle, the question is whether timing matches sleep pressure — not whether your baby is a "bad napper." How to read it.8 min read

How to Fix Bedtime Battles Without Guessing What's WrongBedtime battles are usually a stack — late nap, big evening, and a long routine — not "bad rules." How to spot the actual repeating cause in 5–7 nights.7 min read

Nothing Seems to Work With Your Baby's Sleep? Start HereIf "nothing works," you are usually stacking too many changes at once — not missing a magic technique. The boring loop that actually reads the pattern.8 min read

Why Your Baby Wakes Up Too Early (and What Actually Helps)Most 5am wakes are nap-timing drift, short nights, or habit — not "wrong" bedtime. How to spot the pattern in 5–7 days instead of guessing every morning.8 min read

How to Track Baby Sleep Patterns (and Actually Understand Them)Track 3–5 sleep fields over 5–7 days to read your baby's actual pattern: nap timing, bedtime, morning wake. The method that beats guessing under sleep debt.7 min read

Why Baby Cries When Put Down to Sleep: Causes and What HelpsBaby cries every time you put them down to sleep? Why the transfer wakes them, what to try tonight, when it is normal, and how to gently change the pattern.10 min read

Toddler Night Wakings After 2 Years Old: What Changes and What HelpsToddler night wakings after age 2? Why this age has unique sleep challenges, the big shifts (fears, nap, big-kid bed), what helps tonight and when to seek help.11 min read

Toddler Needs Parent to Fall Asleep Every Time: How to Gently Change ItToddler needs you to fall asleep every night? Why this association forms, gradual fade plan over 7–10 nights, what backfires, and when to seek help, ages 1–3.10 min read

Baby Overtired But Won't Sleep: What to Do Tonight (0–12 Months)Baby overtired but won't sleep? What to do in the next hour, why an earlier bedtime beats a later one, and why most families see the change within three nights.10 min read

2-Year-Old Wakes Multiple Times at Night: Causes and What Helps2-year-old waking multiple times at night? Common causes (regression, fears, schedule), the trigger pattern behind most wakings, and what helps tonight at home.11 min read

Is sleep training safe? What the research actually foundIs sleep training safe? What the randomized trials really found about attachment, crying and stress, where the evidence stops, and when to wait instead.12 min read

When do babies drop naps? Age timeline (3→2, 2→1, 1→0) and what helpsWhen do babies drop naps? Age-by-age timeline for 3→2, 2→1, and 1→0 nap transitions, real readiness signs, common mistakes, and what to try this week.8 min read

7 baby sleep mistakes that make nights worse (and what helps)The 7 most common baby sleep mistakes, from overtiredness to swapping the plan every other night, plus the tell, the 5-night test and the fix for each.13 min read

Baby Schedule by Age (0-2 Years): Sleep, Feeding, Wake Windows That Actually WorkNeed a baby schedule by age? Real wake-window ranges, sample frameworks 0-24 mo, why most schedules break, and a 5-step reset built around your baby's pattern.9 min read

Baby Routine Not Working? Fix It in 5 Steps (That Actually Work)Baby routine not working? Most parents copy the wrong schedule. Five-step fix using your baby's real wake windows, two daily anchors, and pattern tracking.8 min read

Baby Waking Up Crying at Night? 7 Common Causes (+ What Helps Tonight)Baby waking up crying at night? Seven common causes, a 60-second decision tree to spot which one, what helps tonight, red flags, and when to call the doctor.9 min read

Huckleberry vs Baby Tracker vs KidyGrow (2026): Which Helps Sleep?Huckleberry vs Baby Tracker vs KidyGrow: which app predicts nap windows, which explains why your baby is not sleeping, and how to actually choose one.8 min read

Best Baby Tracking Apps (2026): Finally Understand Your Baby's SleepTracked everything but still no idea what to change? Honest 2026 comparison of KidyGrow, Huckleberry, Baby Tracker and Glow, matched to your real problem.8 min read

When do toddlers stop napping? How to know they're really readyWhen do toddlers stop napping? Most drop the nap between 3 and 5 years. The real signs your child is ready (not just resisting) and how to handle the switch.12 min read

Signs your baby is overtired (and what to do about it)How to spot an overtired baby — eye-rubbing, stiff body, sudden second wind — and the simple wake-window fix that turns the next nap around in 24–48 hours.10 min read

Toddler wakes up crying at night? 7 causes and what helpsToddler wakes up crying at night? The 7 most common causes (overtired, regression, hunger, fear) plus a calm 5-step plan you can start tonight, no cry-it-out.11 min read

How much sleep does a 1-year-old need? A practical guideHow much sleep does a 1-year-old need? Realistic 12–14 hour ranges, nap count, signs of overtiredness and exactly what to try first if your toddler is off.9 min read

Why is my baby suddenly waking more at night? Causes and what helpsBaby was sleeping fine, now suddenly waking 3–5 times a night? The 5 most common causes (regressions, leaps, overtired), the 7-day plan, and red flags.8 min read

1 Year Old Daily Schedule: One-Nap vs Two-Nap Day (With Real Examples)A realistic 1-year-old daily schedule covering 1 vs 2 naps, meals, bedtime, the 2-to-1 nap transition, and adjustment rules grounded in actual wake windows.9 min read

How to help your toddler fall asleep without a parentTired of lying next to your toddler every night to get them to sleep? A calm, gradual 7-step plan to help them fall asleep alone in 1 to 2 weeks, no cry-it-out.12 min read

Baby Wakes After 30 Minutes Nap? The Fix (Overtired vs Undertired)Baby wakes after 30 minutes nap? It's almost always timing, not behavior. The overtired vs undertired difference, a 3-day test, and what fixes it tonight.10 min read

KidyGrow bedtime plan: end chaotic nights with a real patternBedtime spiraling out of control? See how KidyGrow turns scattered sleep logs into one calm Tonight plan built for your child, from patterns not guesswork.9 min read

Fix early wake-ups with KidyGrow: find the real lever5:30 am every day? KidyGrow tracks naps, light, and morning response across days so you can spot the one variable that actually moves wake time later.11 min read

The 2-to-1 nap transition: when to start, how to survive it2-to-1 nap chaos? KidyGrow tracks naps alongside bedtime and behavior so you can tell ready vs too-soon and shift the schedule by 15 min, not by an hour.10 min read

When do toddlers drop to one nap? Signs and agesMost toddlers move to one nap between 14 and 18 months. The signs that really count, what 12 and 15 months usually mean, and three ways to make the switch.9 min read

Nothing helps your toddler sleep? Fix the schedule, not the gadgetTried every toddler sleep tip and still no sleep? Why one consistent plan + nap timing beats new tools, the 5–10 night rule, and when to call the doctor.9 min read

Toddler waking at 5 a.m. every day? A later bedtime may not be the fixToddler up at 5 a.m. every day? Why the fix isn't usually a later bedtime. First nap timing, morning light, schedule alignment, and when to call the doctor.10 min read

Baby not sleeping during the day: 5 causes and what helpsBaby not sleeping during the day? The 5 most common reasons naps fall apart, why a pitch-dark room is not the answer for young babies, and what helps.8 min read

Baby crying before sleep: what it means and how to respondBaby crying before sleep? The most common causes, from overtiredness to hunger, when crying normally eases, and what to try tonight so your baby settles calmly.9 min read

Baby fighting sleep? Find your child's exact wake-window sweet spotBaby screaming at bedtime even though exhausted? KidyGrow tracks wake windows and naps so you find the 15-minute sweet spot that ends the fight tonight.10 min read

Baby waking at 5 a.m. every day? Causes + 7-day fix planBaby waking at 5 a.m. every day? The real causes (overtiredness, morning light, schedule drift), a 7-day one-lever plan, and when the nap schedule is the fix.10 min read

Baby only sleeps when held: why it happens and how to gently change itBaby only sleeps when held? Why it happens, when it's normal vs worth changing, and a gentle step-by-step plan to help your baby fall asleep without being held.12 min read

Wake Windows by Age: Chart + Free Calculator (0–3 Years)How long should your baby stay awake between naps? Interactive wake window calculator plus full chart by age, tired-cue signs, and common mistakes to avoid.10 min read

2 year old refusing nap: what to do without making it worseWhen your 2-year-old refuses naps, the whole day can fall apart. Learn what's normal at this age, what actually helps, and when it's time to drop the nap.10 min read

8-Month Sleep Regression: Why It Hits Now and How Long It LastsYour 8-month-old is awake all night again. What changes at 8 months, how long this regression lasts, what to try tonight, and when to call the doctor.13 min read

6-Month-Old Waking Every 2 Hours? Why, and What Helps6-month-old waking every 2 hours? Why it happens, why extra solids rarely stop it, what to try tonight, and which signs mean calling your pediatrician.9 min read

13-month-old not sleeping through the night: a 7-night planWhy a 13-month-old wakes at night: the 2-to-1 nap switch, first molars, new walking skills. Wake windows, a 7-night plan, and when to call the doctor.13 min read

Baby Sleep Regression Ages: Chart, How Long Each One LastsBaby sleep regression ages in one chart: 4, 8–10, 12 and 18 months and 2 years. How long each one lasts, what actually helps, and when it's not a regression.9 min read

Frequently asked questions

How much sleep does my baby need?

It varies by age, from around 14-17 hours a day for newborns down to about 11-14 hours including naps for toddlers. Watch your child's mood and tired cues as much as the clock, since the range is wide and normal.

What are wake windows?

A wake window is how long your baby can comfortably stay awake between sleeps. They lengthen with age, from under an hour for a newborn to several hours for an older baby. Matching awake time to age makes falling asleep much easier.

Why does my baby keep waking at night?

Night wakings are normal in the first year, driven by hunger, development, and short sleep cycles. They often spike during regressions and teething, then settle. Frequent or sudden new waking is worth mentioning to your pediatrician.

What is a sleep regression?

A stretch where a baby who slept well suddenly wakes more or resists sleep, usually tied to a developmental leap. Common ones land around 4, 8-10, and 18 months. Most pass within one to three weeks if you keep the routine steady.

When do babies start sleeping through the night?

There is a huge range. Some manage long stretches by 6 months, many do not until well into the second year, and both are normal. Night waking is not a sign you are doing something wrong.