Tuesday, September 25, 2007

Lack of Sleep Doubles Risk of Death


A new study from the University of Warwick and University College London indicates that too little sleep can increase your risk of death from all causes but can double the risk of death from specifically cardiovasular-related problems.

Conversely, the study also concluded that sleeping too much, more than 8 hours per night on a regular basis, also increased mortality risk.

“Short sleep has been shown to be a risk factor for weight gain, hypertension and Type 2 diabetes sometimes leading to mortality but in contrast to the short sleep-mortality association it appears that no potential mechanisms by which long sleep could be associated with increased mortality have yet been investigated. Some candidate causes for this include depression, low socioeconomic status and cancer-related fatigue.” Francesco Cappucio, University of Warwick

The researchers concluded that a sleep cycle of 7 hours per night is optimal in terms of prevention.

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