NATURE OF SLEEP

christina.m
Note by christina.m, updated more than 1 year ago
christina.m
Created by christina.m over 5 years ago
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a-levels Psychology (Sleep) Note on NATURE OF SLEEP, created by christina.m on 02/22/2015.
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NATURE OF SLEEP 5 STAGES of sleep 5 sleep CYCLES between each cycle -> experience NREM sleep-> then REM during NREM -> 4 STAGES -> progresses to (STAGES 1 and 2) into DEEP or SLOW -WAVE sleep (STAGES 3 and 4) RAPID EYE- MOVEMENT (REM) sleep = experienced several times -> during night= produce intense electrical activity

Stage 1 and 2 Light sleep and CHANGE- ELECTRICAL ACTIVITY IN BRAIN part of the brain which is AWAKE= produces BETA WAVES changes to ALPHA and THETA waves HEART RATE SLOWS and TEMPERATURE DECREASES SLEEPER= in RELAXED STATE = easily woken

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