Supplement · Sleep
A sleep hormone the body makes at night. Reviews, side effects and research on melatonin from parents of autistic and ADHD kids.
4 reviews · 1 languages · collected October 2026
The reviews so far were written by parents in Japan (4).
Of 4 reviews, 2 said things got better and 0 said they got worse.
No one reported things getting worse
Only 4 reviews so far, so treat the percentages as a rough guide.
Not enough reviews yet
4
Boy
🇯🇵 Japan · Japanese · Sep 9, 2017
A son who struggles to fall asleep because of anxiety was prescribed melatonin by a doctor. Falling asleep got a little easier, but he still wakes often at night and has trouble moving in the morning.
Boy · Autism
🇯🇵 Japan · Japanese · Nov 12, 2017
A parent of an anxious autistic son who struggled to fall asleep says melatonin, obtained through a clinic, helped him fall asleep more easily more nights, and school mornings became easier.
Boy · Autism
🇯🇵 Japan · Japanese · Apr 4, 2025
A parent of a teenage son on the autism spectrum says he is taking a melatonin-type medication. His sleep seems deeper, and he says his head feels clearer and he concentrates more easily in class.
Boy
🇯🇵 Japan · Japanese · Feb 6, 2025
A parent of a teenage boy with borderline autism spectrum traits said melatonin, prescribed by a pediatrician for ongoing insomnia, did not help much.
Small improvement
40 PubMed papers · 984 participants
Melatonin helps children with ADHD or autism fall asleep a bit faster and sleep somewhat longer. The benefit is small, and many studies were of low quality.
Key studiesPMID 35691474PMID 30710339PMID 36827993PMID 40768003PMID 36603513
Read this apart from parent experience. Studies average many children, so they may not match your child.
Prescription-only in Korea.
None of the 4 reviews we collected mention side effects. That doesn't mean there are none.
Call emergency services or go to the ER right away if your child
If an unusual change lasts more than a few days, tell your child's doctor.
We only pick posts in which parents describe trying something with their own child, from public parent forums and personal blogs. We don't copy the posts: we pull out the result, duration and side effects, write a short summary, and link every review to its original. These are parents who chose to write, so the numbers may differ from the real picture.
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