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This Is Your Body During a Refreshing Night's Sleep

Here's what a healthy night of slumber looks like.

It’s not about how much sleep you get on a nightly basis, but how much good sleep you receive. Sleep problems can happen for a variety of reasons. It’s important to first figure out the source of the problem. In this video, Dr. Holly Phillips explains how the circadian clock works and why melatonin is called the “hormone of darkness." The amount of sleep you get influences several critical body functions such as blood pressure, kidney function and cell repair.

Dr Holly Phillips

This video features Dr Holly Phillips. Dr. Holly Phillips is a Board Certified General Internist in private practice in New York. She is also Medical contributor for CBS News.

Duration: 2:56. Last Updated On: Nov. 8, 2017, 6:14 p.m.
Reviewed by: Dr. Preeti Parikh, . Review date: Jan. 30, 2011
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