# Toddler Topics > The toddler reference shelf for ages 1–3 — sleep regressions, tantrums, speech, milestones and age-by-age schedules, explained calmly by an early-childhood-educator mom. Written by Camille Ortega. I'm Camille — early-childhood educator turned home reference desk. I spent eleven years in toddler and preschool classrooms before having two of my own (currently a threenager and a five-year-old), and Toddler Topics is the encyclopedia I always wished I could hand parents at pickup: what's developmentally normal, what to actually do about it, and when it's worth a chat with your pediatrician. Nothing here is medical advice — it's a well-organized head start for that conversation. ## Sleep - [The First Night in a Toddler Bed: What to Expect](https://toddlertopics.com/posts/first-night-in-a-toddler-bed/): What really happens the first night in a toddler bed once the crib side comes off — why night one predicts almost nothing, and how the first two weeks go. - [Toddler Bedtime Stalling: Why One More Never Ends](https://toddlertopics.com/posts/toddler-bedtime-stalling/): One more book, one more drink, one more cuddle. Bedtime stalling is a stage that needs skills a younger toddler doesn't have — here's what's behind it. - [Toddler Fear of the Dark: Why It Starts and What Helps](https://toddlertopics.com/posts/toddler-fear-of-the-dark/): Fear of the dark arrives with the imagination, usually after two. Why it starts, why reassurance backfires, and how to tell it apart from stalling. - [Crawling, Cruising and 2am: When Movement Breaks Sleep](https://toddlertopics.com/posts/crawl-and-cruise-night-waking/): New motor skills break sleep around crawling, pulling up and walking. Why the practice happens at 2am, how to tell it from distress, and what actually ends it. - [Sleep Regression vs Teething, Growth Spurts & Skills](https://toddlertopics.com/posts/sleep-regression-or-something-else/): Not every bad sleep week is a regression. How to tell a true sleep regression from teething, a growth spurt, a new skill being rehearsed at 2am, or plain drift. - [When a Toddler Needs Less Sleep Than the Chart Says](https://toddlertopics.com/posts/toddler-needs-less-sleep-than-average/): Some toddlers genuinely need less sleep than the average chart shows. How to tell a true low sleep need from sleep debt, and how to rebuild the day around it. - [Potty Training and Night Sleep: What Changes](https://toddlertopics.com/posts/potty-training-and-night-sleep/): What potty training does to toddler night sleep — why night dryness is a separate skill, the temporary waking dip, and how to handle the bedtime bathroom card. - [The No-Nap Day: A Survival Plan for Everyone](https://toddlertopics.com/posts/no-nap-day-survival/): Your toddler skipped their nap. Here's the hour-by-hour no-nap day plan: how much earlier bedtime should be, what to do with the afternoon, and what to skip. - [Toddler-Proof Bedroom: Contain a Climber Safely](https://toddlertopics.com/posts/toddler-proof-bedroom-for-a-climber/): Once a toddler climbs out, the room becomes the container. A safe toddler-proof bedroom setup — anchoring, windows, doors, bedding — and what never to use. - [Toddler Refusing Naps: Strike or Really Done?](https://toddlertopics.com/posts/toddler-refusing-naps/): Toddler refusing naps? Tell a nap strike from the real end of napping with the two-to-four-week test, the five usual causes, and how to hold the nap meanwhile. - [18 Month Old Fighting Sleep: Defiance or Regression?](https://toddlertopics.com/posts/eighteen-month-old-fighting-sleep/): Why an 18 month old fighting sleep is usually development, not defiance — how to tell the difference, hold the routine without battles, and adjust the day. - [When to Drop to One Nap: Signs & a One-Week Plan](https://toddlertopics.com/posts/when-to-drop-to-one-nap/): When to drop to one nap — the readiness signs that matter, false alarms to ignore, a day-by-day transition week plan, and the lunch shift that makes it work. - [Crib to Toddler Bed: When & How to Make the Move](https://toddlertopics.com/posts/crib-to-toddler-bed-transition/): When to move from crib to toddler bed — why closer to three beats two — the signs it's time, a step-by-step transition plan, and what to do if it flops. - [18 Month Sleep Regression: Signs, Causes & What to Do](https://toddlertopics.com/posts/eighteen-month-sleep-regression/): What the 18 month sleep regression is, why it hits so hard, how long it typically lasts, and the calm, consistent steps that get everyone sleeping again. - [18 Month Old Sleep Schedule: Naps & Wake Windows](https://toddlertopics.com/posts/eighteen-month-old-sleep-schedule/): A realistic 18 month old sleep schedule — nap timing, wake windows, total sleep and a sample day, plus how to adjust it when bedtime starts drifting. - [A Toddler Bedtime Routine That Actually Sticks](https://toddlertopics.com/posts/toddler-bedtime-routine/): How to build a toddler bedtime routine that actually sticks — the right length, the right order, a clear final beat, and fixes for stalling and protest. - [Toddler Climbing Out of the Crib: Safe Next Steps](https://toddlertopics.com/posts/toddler-climbing-out-of-crib/): What to do when your toddler is climbing out of the crib — immediate safety moves, the fixes that keep the crib longer, and when the bed move is due. - [Toddler Waking Too Early: How to Fix 5am](https://toddlertopics.com/posts/toddler-early-morning-waking/): Why your toddler is waking too early and how to fix the 5am starts — schedule math, light and hunger checks, ok-to-wake clocks, and a consistent response. - [Toddler Waking Up at Night: Causes by Age](https://toddlertopics.com/posts/toddler-waking-up-at-night/): Why your toddler is waking up at night — causes by age from 12 months to 3 years, how to read the pattern, and the calm, consistent fixes that work. - [Toddler Won't Stay in Bed? 9 Fixes That Actually Work](https://toddlertopics.com/posts/toddler-wont-stay-in-bed/): Why your toddler won't stay in bed and nine fixes that actually work — silent returns, bedtime passes, schedule checks, and when the bed came too soon. - [12 Month Sleep Regression: The Toddlerhood Opener](https://toddlertopics.com/posts/twelve-month-sleep-regression/): What the 12 month sleep regression is, why walking and words disrupt sleep, how it differs from nap readiness, and the steady handling that ends it. - [The 2-to-1 Nap Transition: Timing & Survival](https://toddlertopics.com/posts/two-to-one-nap-transition/): When to drop from two naps to one, the signs your toddler is ready, a week-by-week transition plan, and how to survive the overtired late afternoons. - [2 Year Old Sleep Regression: Why It Hits & What to Do](https://toddlertopics.com/posts/two-year-old-sleep-regression/): What the 2 year old sleep regression looks like, why it happens — autonomy, fears, nap changes — how long it lasts, and the calm steps that end it. - [When Do Toddlers Stop Napping? Signs It's Time](https://toddlertopics.com/posts/when-do-toddlers-stop-napping/): When toddlers stop napping, the real signs it's ending versus a nap strike, how the nap winds down gradually, and how to protect bedtime through it. ## Behavior & Tantrums - [Toddler Separation Anxiety: What It Is and When It Peaks](https://toddlertopics.com/posts/toddler-separation-anxiety/): Separation anxiety is a developmental stage, not a setback. When it starts, when it peaks, why it comes back in toddlerhood, and what actually helps. - [Toddler Breath-Holding Spells: A Calm Explainer](https://toddlertopics.com/posts/breath-holding-spells/): What a breath-holding spell is, the two types, why it's a reflex and not a behavior, what your pediatrician will want to know, and why it must be diagnosed. - [Why Toddlers Throw Everything (Schemas, Explained)](https://toddlertopics.com/posts/toddler-throwing-things/): Toddlers throw because movement itself is the thing being studied. What a play schema is, the five throws worth telling apart, and what redirects each one. - [Tantrum or Meltdown? The Difference That Matters](https://toddlertopics.com/posts/tantrum-vs-meltdown/): Tantrum vs meltdown in toddlers: what separates a goal-driven tantrum from an overwhelm-driven meltdown, why the response differs, and what neither word means. - [2 Year Old Tantrums: Why They Peak & What Helps](https://toddlertopics.com/posts/two-year-old-tantrums/): Why 2 year old tantrums peak, what the autonomy drive has to do with it, the four daily flashpoints, what actually helps at two, and when they start easing. - [Toddler Biting: Why It Happens & How to Stop It](https://toddlertopics.com/posts/toddler-biting/): Why toddlers bite, what each kind of bite means, what to do in the moment, how daycare incident reports work, and when biting is worth a pediatrician chat. - [The Toddler Hitting Phase: What's Normal, What Helps](https://toddlertopics.com/posts/toddler-hitting-phase/): Why toddlers hit, when the hitting phase peaks and eases, what to say in the moment, what makes it worse, and the patterns worth raising with your pediatrician. - [Why Toddlers Have Tantrums (And What They Mean)](https://toddlertopics.com/posts/why-do-toddlers-have-tantrums/): Why do toddlers have tantrums? What's happening in a toddler brain, the four common triggers, how tantrums change from 1 to 3, and calm ways to respond. ## Development & Speech - [Toddler Fine Motor Milestones: Grip, Scribble, Scissors](https://toddlertopics.com/posts/toddler-fine-motor-milestones/): What the CDC checklists list for toddler hands at 12, 15, 18, 24, 30 and 36 months, how a pencil grip develops, and why scissors aren't on the list. - [Toddler Screen Time by Age: What the Guidance Says](https://toddlertopics.com/posts/toddler-screen-time-by-age/): The AAP dropped its universal screen-time limit in 2026. What the guidance says now for ages one to three, and where the WHO still differs from it. - [The Toddler Vocabulary Explosion: When Words Take Off](https://toddlertopics.com/posts/toddler-vocabulary-explosion/): The word spurt usually lands between 18 and 24 months. What it is, why the 50-word figure keeps coming up, and why some children never spurt at all. - [Potty Training Readiness: What's Actually Developing](https://toddlertopics.com/posts/potty-training-readiness-development/): Potty training readiness is a developmental stage, not a decision. What has to mature first, when it typically arrives, and why the normal range is so wide. - [3 Year Old Milestones: What Comes Together Now](https://toddlertopics.com/posts/three-year-old-milestones/): The 3 year old milestones on the standard checklist — conversation, why questions, joining other children, drawing a circle, dressing — and the 3-year checkup. - [18 Month Old Milestones: The Full Checklist](https://toddlertopics.com/posts/eighteen-month-old-milestones/): The 18 month old milestones on the standard checklist — words, walking, pointing, pretend play and copying — what the 18-month checkup covers, and when to ask. - [15 Month Old Milestones: What Most Toddlers Do](https://toddlertopics.com/posts/fifteen-month-old-milestones/): The 15 month old milestones most toddlers reach — walking, first words, pointing, scribbling, copying — plus what the 15-month checkup covers and when to ask. - [Late Talker or Speech Delay? How to Tell](https://toddlertopics.com/posts/late-talker-vs-speech-delay/): Late talker or speech delay? The signals that separate them, why comprehension and gestures matter most, and how a speech evaluation actually works. - [2 Year Old Milestones: Speech, Motor & Social](https://toddlertopics.com/posts/two-year-old-milestones/): The 2 year old milestones on the standard checklist — two-word phrases, running, kicking, pretend play, parallel play — plus the 2-year checkup and when to ask. - [2 Year Old Speech: What's Typical, What to Watch](https://toddlertopics.com/posts/two-year-old-speech-milestones/): What 2 year old speech typically looks like — vocabulary ranges, two-word phrases, speech clarity at two, and which patterns to raise with your pediatrician. - [How Many Words Should an 18 Month Old Say?](https://toddlertopics.com/posts/how-many-words-18-month-old/): How many words should an 18 month old say? What the CDC and speech guidelines actually list, why the range is so wide, what counts as a word, and when to ask. - [Toddler Speech by Age: 12 Months to 3 Years](https://toddlertopics.com/posts/toddler-speech-development-by-age/): How toddler speech development typically unfolds from 12 months to 3 years — first words, the naming burst, two-word phrases, and when to ask your pediatrician. ## Schedules by Age - [3.5 Year Old Schedule: Life After Naps](https://toddlertopics.com/posts/three-and-a-half-year-old-schedule/): A realistic 3.5 year old schedule for the post-nap year — a full sample day, quiet time that works, the new bedtime math, and what to do when naps return. - [3 Year Old Schedule: With or Without the Nap](https://toddlertopics.com/posts/three-year-old-schedule/): A realistic 3 year old schedule in two versions — the napping day and the quiet-time day — with wake windows, meals, bedtime math and how to switch. - [20 Month Old Schedule: Naps, Meals & Play](https://toddlertopics.com/posts/twenty-month-old-schedule/): A realistic 20 month old schedule — one settled nap, meals, play and outside time in a full sample day, plus wake windows and fixes for common drift. - [2.5 Year Old Schedule: The Shrinking-Nap Day](https://toddlertopics.com/posts/two-and-a-half-year-old-schedule/): A realistic 2.5 year old schedule — a shorter capped nap, meals, play and outside time in a full sample day, plus how to adjust as the nap starts to fade. - [18 Month Old Schedule: A Realistic Full Day](https://toddlertopics.com/posts/eighteen-month-old-schedule/): A full 18 month old daily routine — meals and the appetite dip, play and outside blocks, transitions that work, and how to reset a day that has drifted. - [14 Month Old Schedule (With Nap Transition Notes)](https://toddlertopics.com/posts/fourteen-month-old-schedule/): A realistic 14 month old schedule — two-nap and one-nap sample days, wake windows, meal timing, and how to tell when the 2-to-1 nap transition is starting. - [15 Month Old Schedule: One Nap or Two?](https://toddlertopics.com/posts/fifteen-month-old-schedule/): A realistic 15 month old schedule for the classic transition month — one-nap and two-nap sample days, wake windows, and how to pick the right version. - [16 Month Old Schedule: Settling Into One Nap](https://toddlertopics.com/posts/sixteen-month-old-schedule/): A realistic 16 month old schedule as the single nap settles — wake windows, nap timing, a sample day grid, and fixes for the late-afternoon meltdown zone. - [13 Month Old Schedule: A Realistic Full Day](https://toddlertopics.com/posts/thirteen-month-old-schedule/): A realistic 13 month old schedule with two naps — wake windows, a sample day grid, meal timing, and how to tell a nap strike from transition readiness. - [2 Year Old Schedule: Naps, Meals & a Realistic Full Day](https://toddlertopics.com/posts/two-year-old-schedule/): A realistic 2 year old schedule from wake-up to lights out — nap timing, wake windows, meal anchors and play blocks, plus how to adjust it for your toddler. ## Eating - [Toddler Picky Eating by Age: 1, 2 and 3](https://toddlertopics.com/posts/picky-eating-by-age/): Picky eating isn't one phase. What drives it at one, two and three, why the middle year is the hardest, and the flags that mean a pediatrician conversation. - [How Much Milk Should a Toddler Drink? By Age](https://toddlertopics.com/posts/how-much-milk-for-a-toddler/): How much milk a toddler needs at 1, 2 and 3, why there is an upper limit as well as a lower one, cups versus bottles, and what to ask your pediatrician. - [Toddler Throwing Food: Why & How to End It](https://toddlertopics.com/posts/toddler-throwing-food/): Why toddlers throw food, what the throwing usually means at each age, the mealtime setup that stops it, and the calm response that ends the phase fastest. - [Toddler Won't Eat Dinner? The Picky Phase, Explained](https://toddlertopics.com/posts/toddler-wont-eat-dinner/): Why your toddler won't eat dinner, why the picky phase is developmentally normal, and the division-of-responsibility approach that keeps meals calm. ## About - [About Toddler Topics](https://toddlertopics.com/about/) - [Work with us](https://toddlertopics.com/work-with-me/)