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Study of twins discovers gene mutation linked to short sleep duration
Date:7/31/2014

ghts. Response to 38 hours of sleep deprivation and length of recovery sleep were assessed in a sleep lab. During sleep deprivation, cognitive performance was measured every two hours using the Psychomotor Vigilance Test.

Although individual sleep needs vary, the American Academy of Sleep Medicine recommends that adults get about seven to nine hours of nightly sleep. However, a small percentage of adults are normal short sleepers who routinely obtain less than six hours of sleep per night without any complaints of sleep difficulties and no obvious daytime dysfunction.

"This study emphasizes that our need for sleep is a biological requirement, not a personal preference," said American Academy of Sleep Medicine President Dr. Timothy Morgenthaler. "Most adults appear to need at least seven hours of quality sleep each night for optimal health, productivity and daytime alertness."

According to the AASM, most people who regularly get six hours of sleep or less are restricting their sleep and suffer from insufficient sleep syndrome, which occurs when an individual persistently fails to obtain the amount of sleep required to maintain normal levels of alertness and wakefulness. Data from the Centers for Disease Control and Prevention indicate that 28 percent of U.S. adults report sleeping six hours or less in a 24-hour period. Insufficient sleep results in increased daytime sleepiness, concentration problems and lowered energy level, and it increases the risk of depression, drowsy driving, and workplace accidents.


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Contact: Lynn Celmer
lcelmer@aasmnet.org
630-737-9700
American Academy of Sleep Medicine
Source:Eurekalert

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