"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Up to one in three Americans don’t get enough sleep, and millions struggle with actual sleep disorders.

Melatonin supplements are widely used as a sleep aid, but they can cause headaches, dizziness, and make you feel queasy. While melatonin is generally considered safe, taking too much may lead to ...

Melatonin is wildly popular—and wildly misunderstood. Here’s why scientists say taking this supplement doesn’t necessarily translate to better sleep. Melatonin is a widely used supplement, touted for ...