How bad, exactly? Cerebral shrinkage and brain damage bad.
That’s according to the informative infographic below from Mic and General Electric. If you still needed any more reason — and you shouldn’t — to make sure you’re getting 7-8 hours of a sleep a night, read about the consequences (on a colorful drawing, though!) of sleep deprivation below.
(click to enlarge)
And to even better promote rest and relaxation, remember to put away your electronic devices before bedtime.