A Neuroscientist Answers Common Questions About Sleep

It’s safe to say that many of us could use some help when it comes to getting adequate, restful sleep. In this video, Matthew Walker, Ph.D.—sleep expert, neuroscientist, and author of Why We Sleep—describes science-backed ways to improve your sleep, as well as how you may be sabotaging your sleep without even knowing it. Watch on for answers to questions like How do alcohol and marijuana affect sleep? What can you do if you’ve missed sleep? and Should you use the snooze button?

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