Why Even 4 Hours of Sleep is Enough

28 December, 2011 at 07:26 | Posted in Body & Mind, Science | Leave a comment
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Hindustan Times

London, November 26, 2011

Scientists have identified the gene responsible for controlling the length of time for which an individual sleeps and why some have their own internal alarm clock. Karla Allebrandt and her team from the Ludwig Maximilians University of Munich identified a gene called ABCC9 that can reducethe length of time we sleep.

The discovery is expected to explain why light sleepers, such as Margaret Thatcher, are able to get by on just four hours shut-eye a night.

SleepThe Europe-wide study of 4,000 people from seven different EU countries saw the volunteers fill out a questionnaire assessing their sleep habits.

The researchers then analysed their answers, as well as participants’ genes.

They discovered that people who had two copies of one common variant of ABCC9 slept for “significantly shorter” periods than people with two copies of another version.

Read more: Why even 4 hours of sleep is enough – Hindustan Times



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