I had to pull the plug on some really old systems recently, yet leave them in a state from which they could be easily booted at some later time if needed. The process turned out to be a bit more ...

Lack of sleep in general is associated with death, but the research suggests that not getting enough REM sleep “is the single strongest factor of all stages,” Dr. Walker said.

You know foods with sugar and caffeine can keep you up, but adding foods like fish, nuts and vegetables can help get you to sleep, too, experts say.

Studies have found that C.B.T.- I. is as effective as using sleep medications in the short term and more effective in the long term. Clinical trial data suggests that as many as 80 percent of the ...

Heat makes it harder to sleep. In Baghdad, some neighbors set up mattresses on their roof to find a cool sleeping spot. A new study finds the risk of sleep apnea goes up along with temperatures.