Weekend lie-in could boost your health

August 2nd, 2010 - 1:30 pm ICT by ANI  

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London, Aug 1 (ANI): For all those who are looking for an
extra hour or two of sleep on weekends have something to be happy
about-scientists have shown that a weekend lie-in could be vital for
well-being.

Tests on volunteers showed that the occasional sleep-in
provides an invaluable antidote to the harmful effects of sleep deprivation.

“The additional hour or two of sleep in the morning after a
period of chronic partial sleep loss has genuine benefits for continued
recovery of behavioural alertness,” the Daily Mail quoted David Dinges of the
University of Pennsylvania School of Medicine as saying.

“The bottom line is that adequate recovery-sleep duration is
important for coping with the effects of chronic sleep restriction on the
brain,” he added.

In the study, 142 adults with an average age of 30 were
restricted to four hours in bed from 4am to 8am for five consecutive nights.

At the end of the week, the volunteers were assigned to one
of six ‘doses’ of a single night’s ‘recovery sleep’ - ranging from zero to ten hours.

Another 17 made up a comparison group who spent ten hours in
bed nightly.

As expected, the test performance of the sleep-deprived
volunteers was consistently worse than that of the well-rested control group.

But just one lie-in after a week of sleep deprivation
improved mental faculties and the longer the lie-in, the more alert they
become.

However, even after ten hours in bed,
sleep-restricted participants still had worse scores than the control group for
attention lapses, poor reaction times, and fatigue. (ANI)

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