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If You're an Early Bird…

In an Australian study, participants who woke up early were less likely to be overweight than night owls—even though both groups slept the same number of hours. Although this study involved young children, the results are likely applicable to adults as well, says Allen Towfigh, MD, sleep specialist and neurologist affiliated with Weill Cornell Medical Center and New York Presbyterian Hospital in New York City. "If you love to sleep in, you may not be getting enough sleep, in which case you need to go to bed earlier to increase your total sleep time." Dr. Towfigh recommends adults strive for seven to nine hours of sleep per night.

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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