lack of sleep

Guess I'm a little unusual, I fall asleep at night almost instantly--within just minutes--I'm out like a light, but for many getting to sleep is hard, and I found out that if you text too close to bedtime it will make it even harder to fall asleep.

Sleep deprivation is tied to a whole bunch of health problems, such as increased anxiety, bad bones and overeating. And, according to a new study, it also messes up your relationships. Researchers at the University of California-Berkeley found that sleep deprivation effects your expressions of gratitude.