He began with 40 depressed patients who had been successfully lifted from their depression by a night without sleep.

ECONOMIST: People, like all living things, are four dimensional

Most importantly, would they be able to sleep at night without worrying that someone might kick down the door and kill them?

WSJ: R. James Woolsey: The Ugly Premise of 'Settlement' Opponents

But at least we can now sleep at night without worrying that there's be a knock on the door and we'll be carted off to the army.

BBC: NEWS | Middle East | Disappointment reigns among Iraqis

Most importantly, as Mr. Woolsey notes, law-abiding Arab citizens of Israel "can go to sleep at night without having to worry that their door will be kicked down and they will be killed" by agents of the Israeli government or others among the majority Jewish population.

CENTERFORSECURITYPOLICY: Center For Security Policy

Noticing the circadian pattern of Charles B's depression, Dr Wehr asked him to get through a night without sleeping, and then to increase his nightly sleep only gradually, so that for almost a week he was awake during those crucial early-morning hours.

ECONOMIST: People, like all living things, are four dimensional

Smaller, less invasive, sensors could be especially useful for monitoring premature babies or for studying patients with sleep apnoea without them wearing wires through the night, researchers say.

BBC: Health

Later that night, after my mother had gone to sleep, my father came into my room without knocking, stood over my bed, then leaned down either to say something to me or to see if I was asleep.

NPR: Chapter 1

For starters, your doc may have you visit a sleep specialist to rule out sleep apnea, a common breathing disorder that wakes sufferers several times a night, sometimes without them even knowing it.

CNN: When to take a sleeping pill