Folks who get less than seven hours a night have accelerated aging in the brain, according to a study published this week in the journal Sleep. Their cognitive function is on par with someone who's three to seven years older. Surprisingly, getting too much sleep -- more than nine hours a night -- also appears to be linked to speeding the brain's aging process.
European researchers tracked the sleep of more than 5,000 middle-aged folks for five years and found that those who shifted away from regularly sleeping seven to eight hours a night -- to either less sleep or more -- had a faster decline in memory, reasoning skills, and vocabulary than those who maintained good sleep habits.
Full Article at Boston Globe Online
European researchers tracked the sleep of more than 5,000 middle-aged folks for five years and found that those who shifted away from regularly sleeping seven to eight hours a night -- to either less sleep or more -- had a faster decline in memory, reasoning skills, and vocabulary than those who maintained good sleep habits.
Full Article at Boston Globe Online
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