Medically reviewed by Elizabeth Barnes, RDN Key Takeaways Melatonin may be a useful sleep aid for some, but it can cause some side effects like headaches, nausea, drowsiness, and dizziness.You may be ...

Add Yahoo as a preferred source to see more of our stories on Google. Bottle with melatonin pills or supplements, purple background Falling asleep and staying asleep are common struggles. It can be ...

Long-term use of melatonin supplements may be linked with a higher risk of heart failure, according to new research — but does that mean people taking it as a sleep aid should stop using it now? In a ...

Melatonin supplements are a common solution for people who may struggle with insomnia. Taking magnesium supplements may help ...

Taking too much melatonin can result in a "melatonin hangover." Uncomfortable side effects can occur the next day, such as headaches, daytime sleepiness, dizziness, mood changes, upset stomach, ...

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New research has raised concerns about the long-term use of melatonin supplements, which are widely available for purchase in the United States. With countless Americans having taken the supplement at ...

Melatonin is now widely used to help children sleep, but scientists say the enthusiasm may be getting ahead of the evidence.

Our bodies are perfectly designed for waking and sleeping on Earth, which rotates every 24 hours to give us days of sunshine and nights full of stars. When it starts to get dark as the sun sets, a ...