Melatonin for Primary Sleep Disorders (Meta-Analysis)

1683 participants

Hard time falling asleep, not sleeping long enough, and feeling tired during the day.

Taking melatonin supplements can help your body know when it is time to sleep.

Doses ranged from 0.5mg to 5mg, typically taken 30-60 minutes before bedtime. Optimal dose appears to be around 3-4mg taken 3 hours before bedtime.

Duration: Studies ranged from 7 days to 6 months

Before Treatment

Regular trouble falling asleep and staying asleep, affecting daily energy and focus.

After Treatment

Fell asleep about 7 minutes faster and slept about 8 minutes longer on average.

Effects seen within the first week of use

Usually well-tolerated. Some people felt groggy in the morning or had vivid dreams.

Melatonin helps people fall asleep a bit faster and sleep a bit longer. The effects are small but real.

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More trials for Insomnia coming soon.