Why Your Child Won’t Go to Sleep

When your child won’t go to sleep, the end of the day becomes one of the hardest parts. You’ve done the routine. You’ve said goodnight. And somehow, 45 minutes later, they’re still calling out or appearing at the door. It’s exhausting, and it often feels like nothing works.

Before you try another strategy, it helps to understand what’s actually happening. Because “won’t go to sleep” covers a lot of different situations, and the fix depends on which one you’re dealing with.

They’re Not Actually Tired Yet

This is the most common and most overlooked reason. A child’s sleep needs change significantly between ages 5 and 12, and a bedtime that worked at age 6 might be too early by age 9.

Children aged 5-7 need around 10-11 hours of sleep. Children aged 8-10 need around 9-10 hours. Children aged 11-12 need around 8-9 hours. If your child is in bed at 7:30pm and genuinely not tired until 9pm, you’re fighting their biology, not their behaviour.

Try pushing bedtime 30 minutes later and see whether settling improves. Many parents find a slightly later but more consistent bedtime works better than an early bedtime with an hour of battles.

Their Brain Is Still Activated

Sleep requires the brain to downshift. That transition takes time — typically 60-90 minutes from the point of full stimulation to being ready to sleep. If your child has been on a screen, playing energetically, or emotionally activated close to bedtime, their brain is not ready to switch off when their body gets into bed.

The most common culprit is screen use in the hour before bed. Screens deliver constant visual stimulation and suppress melatonin — the hormone that signals to the brain that it’s time to sleep. A child who comes off a game or video 20 minutes before bed is not physiologically ready to sleep, regardless of how tired they feel.

They’re Anxious About Something

Bedtime is when the day’s noise stops and quieter worries surface. A child who has been managing stress at school, in friendships, or at home often holds it together during the day and then finds sleep difficult because their mind keeps running.

Signs this is the issue: they want to talk, they have “just one more thing” to tell you, they express fears or worries that seem to appear specifically at bedtime, or they become clingy or distressed when you try to leave.

If this is what’s happening, more firmness about sleep won’t help much. What helps is a brief, calm conversation earlier in the evening that gives them a chance to offload, plus reassurance that you are there.

The Routine Is Inconsistent

The body’s sleep drive responds to cues. The same sequence of events, at the same time each night, signals to the brain that sleep is coming. Without those cues, the brain has no way to predict what happens next and takes longer to settle.

Children who have no consistent pre-sleep routine, or whose bedtime varies significantly between weekdays and weekends, often take much longer to fall asleep — not because they’re being difficult, but because their body genuinely doesn’t know it’s time.

They’ve Learned That Staying Up Pays Off

If calling out, getting out of bed, or asking for one more thing has previously resulted in more time with a parent, more attention, or successfully delayed sleep — that pattern gets reinforced. Children are excellent at learning what works.

This doesn’t mean they’re manipulating you. It means they’ve figured out a strategy that gets a result they want, and they’ll keep using it until the strategy stops working.

What to Do Tonight

Start by identifying which of the above is most likely happening in your house. Then make one change — not five. If bedtime is too early, push it later. If screens are the issue, move them out of the hour before bed. If the routine is inconsistent, lock in a simple 30-minute sequence and repeat it exactly.

One change, consistently applied for two weeks, will tell you more than trying everything at once.