Effects of exercise on sleep, melatonin level, and behavioral functioning in children with autism.
A 30-minute morning jog, five days a week for 12 weeks, improved sleep and behavior in elementary kids with autism.
01Research in Context
What this study did
Tse et al. (2022) asked a simple question. Can a daily jog help autistic kids sleep better?
They split elementary-aged children into two groups. One group jogged for 30 minutes every weekday morning for 12 weeks. The other group kept their normal routine.
Researchers tracked sleep, melatonin levels, and daytime behavior before and after the program.
What they found
The joggers fell asleep faster and woke up less at night. Their melatonin levels rose. Teachers and parents saw calmer, more focused behavior during the day.
Kids who did not jog showed no change. Morning exercise acted like a natural sleep aid.
How this fits with other research
Lee et al. (2022) looked at 49 studies and confirmed what Cy found: better sleep equals better daytime behavior in autism.
Fucà et al. (2025) go deeper. They show sleep problems sit between emotion upsets and repetitive behaviors. Fix sleep and you may calm both.
Sadeh et al. (2023) took a different path. Parents gave nightly melatonin pills and saw similar sleep gains. Cy proves the body can make its own melatonin with just a morning run.
Why it matters
You do not need pills or fancy gear. A 30-minute jog before class can raise natural melatonin, tighten sleep, and cut problem behaviors. Try adding a morning movement break to your classroom or clinic schedule. Track bedtime latency for one week. You may see the same triple win Cy saw: better sleep, higher melatonin, smoother days.
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02At a glance
03Original abstract
This study examined the impact of physical exercise on sleep and behavioral functioning in children (aged 8-12 years) with autism spectrum disorders. It also investigated whether exercise would alter endogenous melatonin level among the population. Participants were divided into two groups: exercise group (12-week, 30-min morning jogging intervention) and a control group (i.e. did not receive any physical exercise intervention during the study period). Significant improvements on sleep and behavioral functioning were found in the exercise group, but not in the control group Moreover, a significant increase in melatonin level was also shown in the exercise group. Findings of this study reconfirmed the sleep and behavioral benefits of exercise in children with autism spectrum disorder. Melatonin-mediated mechanism should be further explored to develop an effective treatment intervention.
Autism : the international journal of research and practice, 2022 · doi:10.1177/13623613211062952