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Kids Who Don't Sleep Well: Common Causes & What Parents Can Try

Bedtime battles, waking during the night, early mornings and exhausted teenagers can wear down the whole family. Start by figuring out what may be interfering with your child's sleep.

“My child just doesn't sleep well.”

Sometimes that means they won't fall asleep.

Sometimes they wake repeatedly.

Sometimes they sleep for hours but still wake up exhausted.

And sometimes the real problem is that bedtime has gradually moved so late that there simply aren't enough hours left before school.

Those aren't necessarily the same sleep problem—and they don't necessarily have the same solution.

Before reaching for melatonin, magnesium or another sleep product, look at the basics.

When a child isn't sleeping well, first ask why. Sometimes the biggest improvement comes from changing the routine—not adding another supplement.

Quick Answer

Common reasons children don't sleep well include inconsistent schedules, screens before bed, caffeine, stress, a bedroom that encourages wakefulness, too little opportunity for sleep and underlying sleep or medical problems. Start with a predictable routine, enough time for sleep, screens out of the bedroom and a calm sleep environment. Persistent snoring, breathing problems, unusual movements or significant daytime sleepiness deserve a conversation with your pediatrician.

1. Is Your Child Actually Getting Enough Time to Sleep?

Sometimes the mystery isn't mysterious at all.

A child may simply be going to bed too late for the time they have to wake up.

Sleep needs vary somewhat among children, but recommended ranges provide useful targets:

Ages 1–2: 11–14 hours per 24 hours, including naps
Ages 3–5: 10–13 hours, including naps
Ages 6–12: 9–12 hours
Ages 13–18: 8–10 hours

If your 10-year-old has to wake at 6:30 a.m. but regularly isn't asleep until 10:30 or 11:00, no bedtime supplement can create the missing hours.

For a complete age-by-age guide, see Healthy Sleep for Kids: How Much Do They Need & What Actually Helps?.

2. Look at the Screens

A phone in bed can turn 9:30 into 11:30 surprisingly quickly.

It's not only about light from the screen.

Videos keep playing.

Messages arrive.

Games are stimulating.

Social media never really ends.

A device gives a tired brain hundreds of reasons not to go to sleep.

The American Academy of Pediatrics recommends keeping screens out of children's bedrooms at night and shutting them down before bedtime.

See Screen Time, Sleep & Your Child's Brain.

Try This Tonight

Charge phones, tablets and watches outside the bedroom. Give the brain a screen-free wind-down period before lights-out. And parents can model the same behavior.

3. Make Bedtime Predictable

The body responds well to patterns.

A simple routine might be:

Bath → pajamas → brush teeth → book → lights out.

For an older child:

Shower → phone away → prepare for tomorrow → quiet reading → lights out.

The exact routine matters less than making it calm and repeatable.

4. Check the Caffeine

Caffeine isn't just coffee.

It can appear in:

Energy drinks
Some sodas
Coffee drinks
Tea
Chocolate
Some supplements and workout products

The AAP says avoiding caffeine is the best choice for children.

For a child struggling to sleep, caffeine is an obvious place to investigate.

5. Teens Really Are Wired Differently

If your teenager suddenly seems incapable of falling asleep at the bedtime they kept as a child, some biology is involved.

During puberty, the body's sleep-wake timing naturally shifts later.

Unfortunately, school still starts in the morning.

That combination can leave teenagers chronically short on sleep.

Teens still need sleep even when they insist they're fine on five hours.

6. Look at Stress & the Busy Brain

Children can carry worries to bed too.

School.

Friends.

Sports.

Family problems.

Tomorrow's test.

Social media.

Instead of trying to solve everything at lights-out, create some quiet transition time earlier in the evening.

For some children, reading, calm music, prayer, talking with a parent or simple breathing exercises can help them shift out of the day's activity.

7. Don't Ignore Snoring & Breathing Problems

Snoring isn't always harmless.

Talk with your pediatrician if your child regularly:

Snores loudly
Seems to stop breathing or gasp during sleep
Breathes heavily while sleeping
Is extremely restless at night
Has substantial daytime sleepiness despite enough time in bed
Falls asleep unexpectedly during the day

A child can spend enough hours in bed and still have poor-quality sleep.

What About Magnesium?

Magnesium is an essential mineral involved in normal nerve and muscle function and many other processes.

But a child having trouble sleeping doesn't automatically mean they're magnesium deficient.

Evidence for magnesium supplements as a general pediatric sleep solution remains limited.

Learn more in Magnesium for Kids: Sleep, Muscles, Nerves & Healthy Growth.

What About Melatonin?

Melatonin can have a role for some children, but it shouldn't automatically be the first response to a poor bedtime routine.

Before reaching for melatonin, fix what can be fixed:

Enough time in bed
A consistent schedule
Screen habits
Caffeine
The bedtime environment
A calming routine

Discuss melatonin with your child's pediatrician, particularly if sleep difficulty is persistent or your child uses medications or has other medical conditions.

Don't Miss the Cause While Looking for the Cure

If the phone stays in bed, bedtime changes every night and your child drinks caffeine late in the day, those are better places to begin than asking which sleep supplement to buy.

A Parent's Sleep Reset

Choose a realistic bedtime that allows enough sleep.
Keep wake time reasonably consistent.
Move screens out of the bedroom.
Create a calm screen-free period before bed.
Avoid caffeine.
Dim lights and make the bedroom quiet and comfortable.
Build a repeatable bedtime routine.
Encourage physical activity and daylight during the day.
Watch for snoring, breathing problems and significant daytime sleepiness.
Give the changes time to become habits.

FAQ: Kids Who Don't Sleep Well

Why does my child take so long to fall asleep?

Possible contributors include going to bed before they're ready, an inconsistent schedule, screens, caffeine, stress or a sleep environment that keeps them alert. Persistent difficulty deserves discussion with a pediatrician.

Should my child have a phone in the bedroom?

For sleep, it's better to keep phones and other screens outside the bedroom overnight. This removes notifications, late-night scrolling and the temptation to keep using the device.

Why is my teenager never tired at bedtime?

Puberty naturally shifts circadian timing later. That doesn't mean teenagers need less sleep; ages 13–18 still generally need 8–10 hours per night.

When should I talk to the pediatrician?

Talk with your pediatrician about persistent sleep problems, loud snoring, pauses in breathing, unusual nighttime behaviors, significant daytime sleepiness or sleep problems affecting school, mood or daily functioning.

Key Takeaways for Parents

First make sure your child has enough opportunity to sleep.
Keep screens out of the bedroom and shut them down before bedtime.
Use a predictable bedtime routine.
Avoid caffeine.
Remember that puberty naturally shifts sleep timing later.
Don't automatically assume poor sleep means your child needs a supplement.
Persistent snoring, breathing problems or daytime sleepiness should be evaluated.

The Parent's Bottom Line

If your child isn't sleeping, don't begin with the bottle.

Begin with bedtime.

Is there enough time for sleep?

Is the phone in the room?

Is bedtime predictable?

Is caffeine sneaking into the afternoon?

Is your child anxious or overstimulated?

Are they snoring or struggling to breathe?

Fix the things you can fix—and get medical help for the things that need more than a bedtime routine.

Founder Perspective

“When a child isn't sleeping, I understand why parents want something that might help tonight. But I think we should first look at the things we can control. Put the phone away. Calm the house down. Give them enough time to sleep. Build a routine. Then if there's still a problem, find out why. Supplements can have a place, but healthy sleep habits should come first.”
— Bruce Brightman, Founder

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