Getting a kid to fall asleep comes down to two things: preparing their brain to produce the sleep hormone melatonin, and building a consistent wind-down routine that signals it’s time for bed. Most sleep struggles in children aren’t medical. They’re environmental or behavioral, which means you have a lot of control over fixing them.
Dim the Lights an Hour Before Bed
This is the single most effective change you can make. When light hits your child’s eyes in the evening, it sends a signal to the brain that suppresses melatonin, the hormone responsible for making them feel sleepy. Research from the University of Colorado Boulder found that even after a light source was turned off, melatonin didn’t rebound in most preschoolers for at least 50 minutes. That means a brightly lit house right up until bedtime can delay your child’s ability to fall asleep by close to an hour, even after lights go out.
Start dimming lights throughout the house at least 60 minutes before bedtime. Switch overhead lights off and use low-wattage lamps. If your child needs a nightlight, choose one with a warm red or orange tone rather than white or blue. The goal is to let their brain recognize that the day is ending so melatonin production can ramp up naturally.
Cut Screens Early
Tablets, phones, and TVs produce artificial blue light that tricks the brain into thinking it’s still daytime. Observational studies from multiple countries consistently link screen use before bed with later bedtimes and less total sleep in children. The mechanism is straightforward: blue light suppresses melatonin the same way room lighting does, but screens are held closer to the face and emit a concentrated wavelength that’s especially effective at keeping the brain alert.
Set a technology curfew at least one hour before bed. This includes video games, YouTube, and even “calm” apps on a tablet. If your child protests, replace the screen with something low-stimulation like audiobooks, drawing, or reading a physical book together under soft light.
Build a Predictable Routine
Children’s brains thrive on predictability. A bedtime routine doesn’t need to be elaborate, but it does need to happen in the same order every night. A simple sequence might look like this: bath or wash up, pajamas, brush teeth, one or two books, lights out. The whole thing can take 20 to 30 minutes.
The consistency matters more than the specific activities. When your child’s brain learns that bath always leads to books and books always lead to sleep, each step in the chain becomes a cue that triggers relaxation automatically. This works for toddlers and school-age kids alike. Stick with the routine on weekends too. Shifting bedtime by more than 30 to 45 minutes on non-school nights can reset the internal clock and make Monday nights harder.
Try a Body Relaxation Exercise
If your child lies in bed and says they “can’t sleep,” their body may still be carrying tension from the day. Progressive muscle relaxation, adapted for kids, gives them something to focus on besides the frustration of being awake. Children’s Hospital of Philadelphia recommends a simple sequence you can walk your child through while they’re lying in bed:
- Hands: “Pretend you’re squeezing an orange as hard as you can. Breathe in and squeeze. Now breathe out and let your hand go soft.”
- Arms and shoulders: “Pretend you’re a sunflower reaching up toward the sun. Stretch your arms high, then let them fall back down like a rag doll.”
- Face: “Scrunch up your nose and squeeze your eyes shut as tight as you can. Now breathe out and let your whole face go soft.”
- Belly: “Squeeze your tummy muscles so your belly feels hard like a rock. Now breathe out and let it go soft like a pillow.”
- Feet: “Curl your toes like you’re squishing them into warm sand. Now let them relax and feel all the sand fall away.”
Each step pairs a deep breath in with tension, then a breath out with release. Most kids are noticeably calmer (and sometimes already asleep) by the time you reach the feet. After a few nights of doing this together, many children can guide themselves through it independently.
Set Up the Room for Sleep
A cool, dark, quiet room makes falling asleep physically easier. Keep the bedroom on the cooler side of comfortable. Most children sleep best when the room feels slightly cool rather than warm, so if your child kicks off blankets at night, the room may be too hot. Humidity between 35 and 50 percent helps prevent the dry nose and throat irritation that can wake kids up. A simple hygrometer (available for a few dollars) can tell you where your home falls.
Darkness matters more than most parents realize, given what we know about how sensitive children’s melatonin production is to light. Blackout curtains are especially useful in summer when the sun sets late, or if streetlights shine into the bedroom. White noise machines can help mask household sounds or outdoor noise, but keep the volume low and place the machine across the room rather than next to the bed.
Choose the Right Bedtime Snack
A small snack 30 to 60 minutes before bed can prevent the “I’m hungry” stalling tactic and genuinely support sleep. Foods that contain the amino acid tryptophan help the brain produce serotonin, which converts to melatonin. Good options include a small bowl of whole-grain cereal with milk, a banana with a handful of almonds, warm milk, turkey on whole-wheat bread, yogurt, or cherries (which naturally contain small amounts of melatonin).
Almonds and bananas are particularly useful because they’re also rich in magnesium, a mineral that promotes muscle relaxation. A banana blended with a cup of milk makes an easy bedtime smoothie. Avoid anything sugary or caffeinated. Sugar creates an energy spike that works against sleep, and caffeine (found in chocolate, some sodas, and iced tea) can linger in a child’s system for hours.
What About Melatonin Supplements?
Melatonin supplements are widely available and increasingly popular for kids, but they should be a last resort rather than a first step. The American Academy of Pediatrics recommends starting with the lowest possible dose, typically 0.5 mg or 1 mg, given 30 to 90 minutes before bedtime. Most children who benefit from melatonin don’t need more than 3 to 6 mg, even those with ADHD.
Short-term use appears relatively safe, but there’s limited data on long-term effects. Researchers have raised concerns about potential impacts on growth and development, particularly during puberty. Side effects can include morning grogginess and increased nighttime urination. There’s also a quality control problem: because supplements aren’t regulated like medications in the U.S., independent testing has found that some melatonin products contain significantly more (or less) than what’s listed on the label, and some contain undisclosed ingredients like CBD. If you’re considering melatonin, talk to your pediatrician first, and treat it as a bridge while you establish the behavioral and environmental habits described above.
Signs That Something Else Is Going On
Most kids who struggle to fall asleep don’t have a medical condition. But a few patterns are worth paying attention to. Chronic mouth breathing or snoring can signal obstructive sleep apnea, which disrupts sleep quality even when total sleep time looks normal. If your child snores most nights, breathes through their mouth during sleep, or seems unrested despite adequate hours in bed, that’s worth mentioning to their pediatrician.
Restless sleep disorder is a recently identified condition in children, characterized by frequent large body movements throughout the night: constant repositioning, tossing, and turning that goes beyond normal restlessness. Kids with this condition often don’t have trouble falling asleep or staying asleep, but they may show daytime symptoms like excessive sleepiness, difficulty paying attention, or hyperactivity. Conditions like eczema and asthma can also fragment sleep without being obvious to parents, so persistent daytime tiredness despite a reasonable bedtime is always worth investigating.