Late evenings, restless kids and parents searching for a peaceful night have become a familiar scene in many homes. When sleep refuses to come, many families look for something simple that might help.
Over the past decade, one small supplement has quietly moved into countless bedtime routines.
A fast-growing habit
Melatonin, a hormone that regulates the body’s sleep cycle, is now widely used by children and teenagers.
Because it is sold over the counter in many countries, parents often see it as a harmless and convenient sleep aid.
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Researchers say that perception may be misleading. Unlike typical vitamins, melatonin affects several systems in the body, including metabolism, immune responses and reproductive processes.
A scientific review published in the World Journal of Pediatrics and discussed by researchers connected to Boston Children’s Hospital examined how melatonin is being used globally among young people.
Evidence gaps
The analysis found that melatonin can be helpful for children with certain neurological or developmental conditions.
For example, young people with autism or ADHD may fall asleep faster and sleep longer when the hormone is used under medical supervision.
For otherwise healthy children struggling with sleep, the evidence is much less clear. Most clinical studies have been short and focused on older children, leaving scientists unsure about long term effects.
Researchers say questions remain about whether extended use could influence development, hormones or brain health.
Risks outside clinics
Scientists also highlighted safety concerns linked to everyday use.
Testing of commercial products has revealed large differences between labeled and actual doses.
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Poison control centers have also reported more cases of accidental ingestion by young children. Experts emphasize that better sleep habits should come first:
- consistent bedtime routines
- limited screen use at night
- stable sleep schedules
Sources: Science Daily and Springer Nature
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