01:920:101 Lecture Notes - Lecture 12: Sleep Paralysis, Hypnagogia, Microsleep
3 Oct 2018
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Document Summary
Non-rapid eye movement (nrem or n): non-dreaming sleep. Only dream in this sleep 10-20% of the time. Hypnic or hypnagogic jerk (twitching in sleep) Hypnagogic hallucinations (seeing things in the day and dreaming about them) I. e. dreaming about a show you watched on netflix. Reductions in heart rate and muscle tension. Stage 3 (or stage 3 and 4): deep sleep. Growth hormones released from pituitary gland (growth hormone is primarily released during this time) Rapid eye movement (rem): brain waves resemble wakefulness. Body seems completely relaxed when sleeping, yet the brain is working constantly during rem. Heart rate, blood pressure, breathing (rapid or irregular) Can occur even when a person is awake. Measured average amount of sleep per night. Amount of sleep correlated with development of cold symptoms. Can"t remember what happened when trying to go to bed occasionally. Assumed older people get this muscle and joint pain because they are not able to go through stage 3 as much.
