All-nighters are a favorite pastime for many college kids who cram for exams at the last minute.
But the resulting lack of sleep is anything but healthy, the National Sleep Foundation says.
The foundation says doing an all-nighter may:
- Make you forgetful.
- Lead to weight gain.
- Affect your mood.
- Affect your circadian rhythm, the 24-hour internal clock that helps regulate alertness, blood pressure, certain hormones and body temperature.