ο ´ ð ִ
Ʊ Ϸ翡 10ð ̻ ڰ, ̰ ð پ 60 ̻ 6~7ð Ѵ. Ű ü ʿϰ γ , Ȱ Ҹ , ü ȸ̳ ð ʿϴ. ̰ 鼭 ʿ پ ǰ ð پ. ٸ ð 7~8ð ǰ ִ. 4~5ð ڵ Ȱ Ϸ縦 ° ϸ(short sleeper) 8~9ð ھ ϻȰ ִ 쵵(long sleeper) ִ. Ϸ ð ھ Ѵٰ ϱ ư, ο ð Ƿ ̿ Ȱؾ Ѵ.
ð ߿
̷ ð ٸǷ, ð ߿ ̶ ִ. NREM(non-REM) REM(Rapid Eye Movement) зȴ. REM Ư¡̴. ȣ, ɹڵ, ұĢ, Ű谡 Ǿ ڰ̳ ȣ ̴ܰ. REM ߿ Ȱϰ Ȱ ϸ ٴ ̴ܰ. NREM ܰ迡 N1, N2, N3 зȴ. NREM鵿 ȣ ɹڵ ̸, ¸ Ѵ. Ϲ NREM ü , REM ¶ ȴ. 90 ֱ ݺǴ ֱ⸦ ִ.
ο N2 50% , REM 25% ϸ, ؼ ü ð ƴ϶ ܰ谡 ϰ Ǵ ߿ѵ, ̴ ſ پ ο ´.
ϴ ǥ Ʈ
ϴ ǥ Ʈ ڿ̴. Ʈ ϻȰ ʼ Ⱑ Ǿ , Ļ, ȭ ߿ ڷ Ʈ ϴ. Ʈ Ҹ ߿ ̴. ڸ Ʈ ٰ ð ½ Ѵ. Ʈ , Ư Ʈ Ѵ. ̸ ϰ Ʈ ø̼̳ ʸ DZ Ѵ. Դٰ Ʈ ϸ ° ϱ ¸ ϱ Ѵ.
ø ´ٰ ϴµ, ڱ ô 쵵 . Ѵٰ Ѵ. ó , ð ϰ ᱹ Ѵ. REM N3 ҽŰ, ڰ̳ ȣ ϱ Ѵ. ܿ ڿ ߵ ϳ Ҹ Ϳ ֵ Ҹ ڱ ôٰ ڿ ߵ 쵵 ִ. ̷ ´ٰ ô ƴ϶, ſ ൿ̱ ϴ.
ġ ó . ൿ ǰ ϰ, Ǵ ã Ȯ ܰ ġḦ ϸ ϰ ȶ ִ.