Either a workout or nap can help your sleep-deprived brain: People who either completed 20 minutes of moderate-to-vigorous exercise or took a 90-minute nap performed about 22% better on memory tests after 30 hours without sleep than those who did neither.

Either a workout or nap can help your sleep-deprived brain: People who either completed 20 minutes of moderate-to-vigorous exercise or took a 90-minute nap performed about 22% better on memory tests after 30 hours without sleep than those who did neither.