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Your Body Clock

Keep ill health and depression at bay, get on top of your body clock. Your internal clock knows when you should wake, eat, sleep—with sunlight and temperature nudging you along. Your circadian rhythm needs you to follow your inner clock, otherwise diseases such as obesity and anxiety can interfere.
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When to Sleep

By Robert A. Lavine Ph.D.

We've learned more about how sleep is controlled and why so many get too little.
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Are You a Morning Lark?

By David Ludden Ph.D.

How your chronotype affects your most intimate relationship.
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Sunlight Is the Best Medicine

By Michael Terman Ph.D.

Sunshine can shorten hospital stays and promote better healing.
Building the Perfect Day

Building the Perfect Day

By Holly Pevzner

How to get the most out of every day