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Countering the effects of chronic sleep loss
More than 60% of women don’t regularly get the recommended seven to nine hours of sleep per night. As sleep debt mounts, health consequences increase. It may take some work, but you can repay even a chronic, longstanding sleep debt, reports the July 2007 issue of Harvard Women’s Health Watch.
Sleep loss exacts a toll on the mind as well as the body, research has shown. In one study, scientists assigned groups of healthy men and women, ages 21 to 38, to get different amounts of sleep— eight, six, or four hours per night—or no sleep at all for three nights in a row. No one was allowed to sleep during the day. Every two hours during their waking periods, all the participants completed sleepiness questionnaires and took tests for reaction time, memory, and cognitive ability.
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