Why Won’t My Child Sleep Through the Night? Causes and Fixes by Age
Frequent night waking in kids is usually a phase, habit, or age-linked cause. See common reasons by age and how to fix bedtime battles and early waking.
Children's Sleep
Children’s Sleep
Bedtime battles, night waking, fear of the dark, or a toddler who won’t stay asleep are some of the most exhausting parts of raising kids, and almost all of it is normal, predictable, and temporary once you know what’s driving it.
Most disruption falls into a small number of categories: developmental regressions, bedtime resistance as independence grows, nap transitions, and occasional disruptions like nightmares or bedwetting. A few situations are worth a pediatrician’s input, and those are flagged clearly in each guide.
Not sure where to start? Begin with Why Won’t My Child Sleep Through the Night? Causes and Fixes by Age, the clearest overview of what’s typical at each age and stage.
Bedtime and Sleep Training
These guides cover the most common bedtime struggles and how to work through them.
Why Does My Child Fight Bedtime Every Night?: why bedtime becomes a nightly negotiation, and how to change that.
Sleep Training Methods Explained: Which Approach Fits Your Family: comparing the major approaches honestly.
When Should My Child Stop Napping? A Guide by Age: timing the nap transition to avoid new problems.
Why Is My Child Afraid of the Dark at Bedtime?: a common developmental phase and how to ease it.
Night Waking, Regressions, and Scary Nights
Disrupted sleep often clusters around specific ages and developmental leaps.
Toddler Sleep Regressions: Why They Happen and How Long They Last: what to expect, and when it typically passes.
Night Terrors vs. Nightmares in Children: What’s the Difference?: telling apart two very different nighttime episodes.
Why Does My Child Wake Up So Early? How to Fix It: a frequent, often fixable cause worth tracking down.
Why Does My Child Wet the Bed at Night? Causes and What Helps: when it’s typical, and when to loop in a pediatrician.
Crib to Bed Transition: When and How to Move Your Toddler: timing a change that often disrupts sleep temporarily.
Safety, Screens, and Special Considerations
This section covers safety-focused topics and situations that need their own approach.
Is Co-Sleeping Safe? Bed-Sharing Risks and Safer Alternatives: what the current safety guidance actually recommends.
Does Screen Time Affect Your Child’s Sleep?: how much timing and content actually matter.
Melatonin for Kids: Dosage, Safety, and What to Know Before You Try It: realistic dosage ranges and safety considerations.
Autism and Sleep: Why It’s So Common and What Actually Helps: why sleep is often harder for autistic children, and what helps.
Teenagers and Sleep: Why They Stay Up Late (and What Helps): how puberty genuinely shifts a teen’s internal clock later.
Products and Tools
A few tools and products come up often enough to be worth a dedicated look.
Best Nightlight for Kids (2026): options that help without disrupting melatonin.
Best Sound Machine for Kids/Toddlers (2026): which features actually matter for a child’s sleep.
Children’s Bedtime Calculator: Find the Right Bedtime by Age: a free tool for finding an age-appropriate bedtime.
Best Kids Bedding & Sheets for Sleep (2026): organic and hypoallergenic sheets, plus what actually matters for a child’s bedding.
Children's Sleep
Crib to Bed Transition: When and How to Move Your Toddler
Moving from a crib to a bed is a bigger change than it looks. Learn the signs your toddler is ready and how to make the transition smoothly.
Children's Sleep
Why Is My Child Afraid of the Dark at Bedtime?
Fear of the dark is a normal part of childhood development, not a sign something’s wrong. Learn why it happens and how to help at bedtime.
Children's Sleep
Night Terrors vs. Nightmares in Children: What’s the Difference?
Night terrors and nightmares can look similar but have different causes. Learn how to tell them apart and how to respond to each in children.
Children's Sleep
Toddler Sleep Regressions: Why They Happen and How Long They Last
Toddler sleep regressions are temporary disruptions tied to development, not lasting problems. Learn why they happen and how long they typically last.