Exercising regularly and getting enough sleep will make it easier to change your behavior, Ms. Thompson says.

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Take care of yourself, getting enough sleep and eating well to help your immune system remain at its peak.

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Or, as you might notice in your own life, its possible to improve your own cognition just by getting enough sleep and exercise.

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As for why children aren't getting enough sleep, present-day experts mostly point to the same culprit as their early 20th century counterparts, according to the study: the lure of modern technology.

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Are you getting enough sleep?

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Getting enough sleep, for one!

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Insomnia is difficulty in getting to sleep, staying asleep or getting enough good quality sleep night after night.

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Some nonmedical options to try include staying hydrated, exercising or being active during the time you are supposed to be awake, and getting enough overall sleep before, during and after travel if possible.

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The good news is that sleep and exercise already have something of a relationship: Getting enough of one can make it easier to accomplish the other.

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According to a 2011 poll, more than half of Americans between the ages of thirteen and sixty-four experience a sleep problem almost every night, and nearly two-thirds complain that they are not getting enough rest during the week.

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