Men with chronic insomnia who slept for less than six hours were four times more likely to die during the 14-year follow-up period, according to a new study. Results were adjusted for potential confounders such as body mass index, smoking status, depression and obstructive sleep apnea. Further adjustments for hypertension and diabetes had little effect on the elevated mortality risk. No ...

Men with chronic insomnia who slept for less than six hours were four times more likely to die during the 14-year follow-up period. Results were adjusted for potential confounders such as body mass index, smoking status, depression and obstructive sleep apnea. Further adjustments for hypertension and diabetes had little effect on the elevated mortality risk. No significant mortality risk was ...

( European College of Neuropsychopharmacology ) Biological clocks play a major role in affective disorders. Synchronizing impaired circadian rhythms, improving sleep, or paradoxically staying awake most of the night can be extremely helpful to treat patients with depression and bipolar disorder. Chronotherapeutic combinations of light and wake therapy achieve fast results and also minimize ...

Sleep's oddest facts

Some people's brains are better than others' at blocking out ambient sound during sleep. New research explains why