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  2. Nov 16, 2023 · Fact-Checked Up-to-Date Key Takeaways The effects of melatonin supplements can last up to 5 hours. The composition of the supplement can influence how long it stays in your system. How quickly the body absorbs and processes melatonin can change depending on your age and health.

  3. Sep 11, 2019 · Melatonin is a hormone that regulates your circadian rhythm and helps you fall asleep. It lasts in your body for about 5 hours, depending on factors like age, caffeine intake, and health status. Learn how to use it safely and effectively for different purposes.

  4. › drugs-supplements-melatoninMelatonin - Mayo Clinic

    Aug 10, 2023 · Melatonin can be used to treat delayed sleep phase and circadian rhythm sleep disorders in the blind and provide some insomnia relief. Treat melatonin as you would any sleeping pill and use it under your doctor's supervision. Safety and side effects. Melatonin taken orally in appropriate amounts is generally safe. Melatonin can cause:

  5. Melatonin levels rise about two hours before bedtime,” Buenaver says. “Create optimal conditions for it to do its job by keeping the lights low before bed. Stop using your computer, smartphone or tablet—the blue and green light from these devices can neutralize melatonin’s effects.

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