Non-clinical Sleep and Wake-up Uses
A dawn simulator can be used as an alarm clock. Light enters through the eyelids triggering the body to begin its wake-up cycle, including the release of cortisol, so that by the time the light is at full brightness, sleepers wake up on their own, without the need for an alarm.
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Famous quotes containing the word sleep:
“So if hunger provokes wailing and wailing brings the breast; if the breast permits sucking and milk suggests its swallow; if swallowing issues in sleep and stomachy comfort, then need, ache, message, object, act, and satisfaction are soon associated like charms on a chain; shortly our wants begin to envision the things which well reduce them, and the organism is finally said to wish.”
—William Gass (b. 1924)