More than 80 percent. That’s the percentage of children with autism who have sleep problems—and these are still conservative estimates based on studies. Families report that it takes their children over an hour to fall asleep, that they wake up at three in the morning, and that there are mornings when their child starts the day exhausted before it has even really begun.
Why can’t these kids wind down in the evening?
Melatonin regulation often works differently in children with autism. The hormone that prepares the body for sleep is released in insufficient amounts or too late—which is why many of these children are as wide awake at 9:00 p.m. as others are at 11:00 a.m. Added to this are the sleep cycles themselves: fewer and shorter periods of deep sleep lead to poorer sleep quality.
What was experienced and absorbed during the day ends up in bed at night—noises, an unexpected event, a conversation that felt off. Those things linger. On a typical school day, autistic children engage in something like constant energy management. When silence falls in the evening, the brain begins to sort through it all—precisely when they’re supposed to be sleeping.
How does that affect the next day?
A child who has trouble falling into deep sleep at night sits in class the next morning and struggles—with themselves and with everything around them. Their frustration threshold is lower. Their concentration wanes, sometimes as early as the first class of the day, just as other children are arriving. That’s why it’s important for professionals to develop an understanding of the child’s behavior and to identify the underlying causes.
Chronic sleep deprivation exacerbates what is already difficult. Anxiety, attention problems, and emotional overwhelm—all of these become more intense when sleep is consistently poor. While this isn’t a linear correlation that can be conclusively proven, anyone who works with affected children will recognize it.
Bedtime routines help many people—a consistent routine, a quiet environment, and no screen time right before bed. If that isn’t enough over the course of several weeks, medically prescribed melatonin can shorten the time it takes to fall asleep; this has been well-studied for children on the spectrum
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