By Makini Brice | Nov 16, 2012 04:30 PM EST
Researchers have found that a single gene that can help explain what time of day you are likely to die.
By Christine Hsu | Sep 11, 2012 01:04 PM EDT
Enjoying extra hours of sleep during the weekend actually makes you sleepier during the week, according to new research.
By Amber Moore | Sep 01, 2012 11:21 AM EDT
Using tablets and mobile phones just before bed time can delay sleep.