Forget hits to the head—just one night of sleep deprivation creates changes in the brain similar to a mild concussion, according to new research from Sweden.
The small study was done on 15 healthy guys. One night they got 8 hours of sleep in the lab, and another night, total sleep deprivation. The men played games, read, or watched movies to stay awake.
After the all-nighter, blood samples revealed that certain levels of neurochemical markers associated with brain cell damage rose by 20 percent compared to when the guys snagged a full night’s rest.
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