In the fifth and final class of our course on how to get better sleep, we focus on melatonin. Researchers found that melatonin use in the United States more than quintupled between 1999 and 2018. You might know someone who swears by melatonin or maybe you yourself do. But does it work? What do we know about how effective melatonin supplements are, and what does it mean for helping you get better sleep? Cristina unpacks the research and helps you determine if melatonin is the right choice for your sleep needs. 

Here are some organizations and labels to look for when purchasing melatonin supplements:

• National Sanitation Foundation
• United States Pharmacopeia 

Read more from The Washington Post about how and when to take melatonin.

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