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.
Read more about this topic: Dawn Simulation
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“I don’t know how long it has been since my ear has been free from the roll of a drum. It is the music I sleep by, and I love it.... I shall remain here while anyone remains, and do whatever comes to my hand. I may be compelled to face danger, but never fear it, and while our soldiers can stand and fight, I can stand and feed and nurse them.”
—Clara Barton (1821–1912)