AvatarWolf Hunterflipped into Men's health magazineAvatarAvatarThe Scary Side Effect of One Sleepless NightMen's Health - Jessica GirdwainSnooze now—your brain will thank you later 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 …