We don't have to tell you that you're likely to feel pretty grumpy after a night of too little sleep.
But there are a handful of very real physical and mental health risks associated with chronic sleep deprivation, like slower reaction time, greater difficulty learning and lower sex drive.
In the animated video above, Business Insider has rounded up these and other frightening side effects of getting too little sleep. Watch the clip for some inspiration to hit the hay on time tonight.