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News

  • Many U.S. workers sleeping less to work more

    Dec 16 2014...
    A new study suggests that work is stealing sleep from many Americans.

    The study analyzed data from the American Time Use Survey (ATUS). It included responses from more than 124,000 people. They described how they spent their time in the past 24 hours. READ MORE>>
  • Sleepless in America Review

    Dec 02 2014...
    The new documentary "Sleepless in America" explores sleep loss as a byproduct of modern society. Or more specifically, it reveals the compounding consequences of having a population that simply does not get enough sleep.

    The road we are heading down is not pleasant. With drowsy drivers who are every bit as dangerous as drunks to the associated long-term health problems like diabetes and dementia, the long-term cost of sleep loss is excessive.



    "Sleepless in America" will reair Sunday, December 7 at 8 P.M. EST. The documentary is a co-production of National Geographic, the Public Good Projects and the National Institutes of Health. READ MORE>>
  • Too little sleep could shrink your brain

    Sep 05 2014...
    A new study published online in Neurology suggests that getting too little sleep could lead to a shrinking brain.

    The study involved 147 adults with an average age of 54 years. They underwent two brain scans, one at the start of the study and one an average of three and half years later. Before getting the scans, participants completed a questionnaire about their sleep habits. READ MORE>>
  • Sleep deprivation may create false memories

    Jul 28 2014...
    A new study published recently in Psychological Science suggests that not getting enough sleep may increase the likelihood of forming false memories.

    The study was conducted by psychological scientist Steven J. Frenda of the University of California, Irvine and colleagues. Results show sleep-deprived people who viewed photos of a crime being committed and then read false information about the photos were more likely to report remembering the false details in the photos than were those who got a full night’s sleep. READ MORE>>
  • Poor sleep tied to lower physical activity in people with PTSD

    Jul 21 2014...
    A new study suggests that poor sleep quality predicts lower physical activity in people with post-traumatic stress disorder (PTSD).

    “We found that sleep quality was more strongly associated with physical activity one year later than was having a diagnosis of PTSD,” said lead author Lisa Talbot, postdoctoral fellow at the San Francisco VA Medical Center and the University of California, San Francisco. “The longitudinal aspect of this study suggests that sleep may influence physical activity.” READ MORE>>
  • Interruptions, fragmented sleep may be same as barely any sleep

    Jul 15 2014...
    When parents of infant children talk about their lives, you’ll hear words like “exhausting” or “hellish” nearly as often as “miraculous” and “life changing.” New parents have notoriously disturbed sleep. Whether the crying is for a feeding, a diaper change or nothing at all, the result is always the same: fragmented sleep.

    The price of multiple night waking is the same as staying up nearly the entire night. Scientifically speaking, the negative cognitive impact, shortened attention span and poor moods are equivalent to no more than four consecutive hours of sleep.

    It’s hard to blame them for having mixed feelings about parenting. They often wake up in the morning feeling more tired than the night before. READ MORE>>
  • Short sleep linked to aging brain

    Jul 02 2014...
    A new study finds that the less older adults sleep, the faster their brains age.

    Results show that each hour of reduced sleep duration changed the annual expansion rate of the ventricles by 0.59 percent. Ventricles are the internal chambers of the brain. Their expansion is a reliable marker for the risk of cognitive impairment. The study also found that reduced sleep sped up the annual decline rate in cognitive performance by 0.67 percent. READ MORE>>
  • Marijuana use can affect sleep quality

    Jun 11 2014...
    A new study suggests that marijuana use is associated with impaired sleep quality.

    Results show that any history of cannabis use was associated with an increased likelihood of reporting difficulty falling asleep and struggling to maintain sleep. Participants also reported experiencing non-restorative sleep and feeling daytime sleepiness. READ MORE>>
  • Late afternoon and early evening caffeine can disrupt sleep

    Nov 15 2013...
    That extra afternoon jolt of caffeine may be responsible for your tossing and turning at night. New research looked at caffeine’s effects on sleep taken 0, 3, or 6 hours before going to bed.

    The study published in the Journal of Clinical Sleep Medicine involved 12 healthy normal sleepers. Researchers at Henry Ford Hospital and Wayne State University in Detroit looked at the effects of a given dose of caffeine taken at different times before sleep. READ MORE>>
  • Fall time change and how to adjust your sleep for the winter

    Oct 30 2013...
    Most of the United States will “fall back” to standard time on Sunday, November 3, at 2 a.m. Most people associate the fall time change with an extra hour of sleep followed by shorter days with earlier sunsets.

    Sleep physicians see the end of daylight saving time as a possible conflict between your body’s circadian rhythms and the expectations of society. READ MORE>>