Article: Sleep struggle: Dr. Marjorie Seidenfeld answers your health questions.(your body & mind)

I have such a terrible time falling asleep every night that I'm always tired and it's affecting my schoolwork. What should I do?

--Mindy in Nevada

One in every five teens has a sleep problem, so you're not alone. Getting the proper amount of sleep ranks up there with eating vegetables and exercising regularly. It's that important for your body.

Most teens only get about seven hours of sleep each night, when they actually need nine hours. And making up for lost sleep during the week by sleeping in on weekends doesn't really work. In fact, sleeping late on weekends may actually do you more harm than good in the long run, if you have sleep ...

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