STATES OF CONSCIOUSNESS
PSYCHOLOGY OF SLEEP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Stern sleep
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Firm sleep
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REM sleep
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Term sleep
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Detailed explanation-1: -People tend to awaken spontaneously in the morning during an episode of REM sleep. Loss of motor tone, increased brain O2 use, increased and variable pulse and blood pressure. Increased levels of ACh. The brain is highly active throughout REM sleep, increasing brain metabolism by up to 20%[22]
Detailed explanation-2: -Excitability of the human motor cortex is enhanced during REM sleep.
Detailed explanation-3: -Age: Time in each stage changes dramatically over a person’s life. Newborns spend far more time in REM sleep and may enter a REM stage as soon as they fall asleep. As they get older, their sleep becomes similar to that of adults.
Detailed explanation-4: -Your brain’s motor cortex is active during REM sleep, but your brainstem blocks its messages; This leaves your muscles relaxed, so much so that, except for an occasional finger, toe, or facial witch, you are essentially paralyzed.
Detailed explanation-5: -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.