STATES OF CONSCIOUSNESS
DREAMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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wakefulness
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drowsiness
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stage 2 sleep
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stage 4 sleep
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Detailed explanation-1: -The fourth is rapid eye movement (REM) sleep, also known as active sleep. In stage 1, you transition from wakefulness to sleep. In stage 2 you enter light sleep. By stage 3 you are in a deep sleep.
Detailed explanation-2: -Stage 4: REM sleep This stage first happens about 90 minutes after you fall asleep. Your eyes move quickly from side to side during REM sleep. In REM sleep, your brain waves and eye movements increase.
Detailed explanation-3: -Stage 2: This period of light sleep features periods of muscle tone (muscles partially contracting) mixed with periods of muscle relaxation. Your eye movement stops, heart rate slows and body temperature decreases. Brain waves become slower.
Detailed explanation-4: -Stage 2. Stage 2 NREM sleep sees a continued slowing of heartbeat, breathing, muscle activity, and eye movements. During this stage, you also experience a reduction in body temperature. Throughout the course of the night, you spend about half the time in stage 2 sleep.