Physiology of Sleep

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Slow-Wave (nonREM) <strong>Sleep</strong>• Entrance to sleep• Takes appr. 90 minutes with 5-20 minutesintervals• Peripheral vessel tone and vegetative bodyfunctions decrease• Muscle tone decreases• 10-30% decrease in blood pressure, respirationrate and basal metabolism• Spinal reflexes can be elicited but strech (deeptendon) reflexes are absent.
Page 2 and 3: Reticular Formation (Reticular acti
Page 4 and 5: Sleep• Loss of wakefulness• A f
Page 7: Sleep centers2. *“Medullary synch
Page 10 and 11: Why do we sleep?
Page 12 and 13: Sleep-Wake Cycle: Biological Rythms
Page 17 and 18: Sleep and EEG waves
Page 19: Phase-2 nonREM• First stage of th
Page 22 and 23: Phase-4 nonREM• Deepest sleep; ta
Page 24 and 25: Sleep Stages
Page 26 and 27: REM Sleep• Atonia in neck muscles
Page 28: Possible causes of REM Sleep
Page 31: EEG / EMG / EOG
Page 34 and 35: Cortical activity during sleep
Page 36 and 37: Physiological effects of sleep• S
Page 38 and 39: Sleep across life span
Page 40 and 41: Sleep disorders• Insomnia• Dist
Page 42 and 43: REM sleep deprivation• Confusion
Page 44 and 45: Sleep disorders• Obstructive Slee

Physiology of Sleep

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