Scientists search for sleepless souls suffering lifelong insomnia

Most people have experienced the odd sleepless night before a crucial exam, a job interview or before going on holiday, but few people get by with just a couple of hours of sleep a day, every day.

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<p><a href="http://www.physorg.com/news164468595.html">Scientists search for sleepless souls suffering lifelong insomnia</a></p> <p>Most people have experienced the odd sleepless night before a crucial exam, a job interview or before going on holiday, but few people get by with just a couple of hours of sleep a day, every day. </p>