Soft, drifting on air, light and beautiful...The Luna moth is now associated in everyone's mind with the sleeping medication Lunesta - the result of a brilliant marketing campaign. Who wouldn't be able to sleep, adrift on a blanket of calm, serene night air?

Lying awake, late at night, reliving the negative events of the day and dreading the morning but wishing the night was over is one of the more difficult and yet fairly common experiences of life. This is the experience of insomnia.

"I just don't understand it. According to the history given by her friend, she hasn't slept in 8 days and there have been no behavioral indications that she has slept since being admitted. We'll need to get an EEG as part of the work up. "

"Hard to believe, how long can this go on?"

"Well, 10 days without sleep and death ensues..."

Cornelia Collins awoke to an incessant rain of blows. As she fully awakened she saw that her husband was distressed, frightened, and lashing out.