48 Hours--What You Know May Affect How Well You Doze: Check Your Sleep IQ

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During sleep, your body pretty much shuts down.
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One relatively common cause of not getting enough sleep is restless leg syndrome.
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You are more likely to fall asleep at the wheel when you drive late at night.
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Sleep disorders are very rare.
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Older people need sleep just as much as younger people.
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I can sleep less than 7 hours a night and still be healthy.
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Opening the car window or turning the radio up loud will help a sleepy driver stay awake.
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