Study: Lack of sleep leads to brain damage

File Photo (AP Photo)

March 20, 2014 3:13:21 AM PDT
There is more bad news for shift workers. It turns out even getting extra hours of sleep on the weekends doesn't make up for those lost hours during the week.

In a just released study, researchers say long term sleep deprivation causes brain damage even after days of recovery sleep.

Scientists put mice on a sleep schedule similar to shift work and found they lost 25 percent of the nerve cells associated with alertness and cognitive function.

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