News tagged with duration

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Seven hours the magic number for sleep: study

People who sleep more or fewer than seven hours a day, including naps, are increasing their risk for cardiovascular disease, the leading cause of death in the United States, a study published Sunday shows.

Aug 01, 2010
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Short sleep, aging brain

Researchers at Duke-NUS Graduate Medical School Singapore (Duke-NUS) have found evidence that the less older adults sleep, the faster their brains age. These findings, relevant in the context of Singapore's rapidly ageing ...

Jul 01, 2014
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Poor sleep may age your brain

(HealthDay) -- Evidence is building that poor sleep patterns may do more than make you cranky: The amount and quality of shuteye you get could be linked to mental deterioration and Alzheimer's disease, four new studies suggest.

Jul 16, 2012
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Smartphones uncover how the world sleeps

A pioneering study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules.

May 06, 2016
popularity60 comments 0


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