Losing too much sleep causes lost brain cells

BIRMINGHAM, Ala. (WIAT) — Long-term sleep deprivation zaps the brain of power, even after days of recovery sleep.  University of Pennsylvania researchers put lab mice on an unstable sleep schedule that mirrored the schedules of “shift workers”, such as those who work the night shift, or spent long hours in the office. They found that when losing sleep becomes a habit, it leads to damage to a bundle of nerve cells associated with alertness and cognitive function.

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