MIAMI, Florida, Sept. 9 (TNSjou) -- Florida International University, a component of the public university system in Florida, issued the following news:

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Anxiety could alter the brain's sleep switch in teens

By Michelle Marie Arean

Some preteens have no trouble getting a full night's rest. Those experiencing anxiety often lie awake. The reason for both may be related to a pea-sized gland in the middle of their brains.