SLEEP Flashcards
Possible cause of sleep
MURAMYL PEPTIDE
2 types of sleep
Slow wave
Paradoxical sleep (REM)
Usually dreamless or unremembered dreams
SLOW WAVE SLEEP
With active dreaming
REM SLEEP
Occurs every 90 minutes of slow-wave sleep
REM SLEEP
10-30% decrease in BP, HR and BMR
SLOW WAVE SLEEP
Increase in GI motility
SLOW WAVE SLEEP
Difficult to arouse by sensory stimuli
SLOW WAVE SLEEP
Increase brain metabolism
REM SLEEP
Decrease muscle tone
REM SLEEP
Pupillary constriction
REM SLEEP
Active body movements
REM SLEEP
Irregular BP, HR and RR
REM SLEEP
Penile erection
REM SLEEP
Rapid eye movements
REM SLEEP
More difficult to arouse by sensory stimuli
REM SLEEP
Beta waves
REM SLEEP
Stages of SLOW WAVE SLEEP
Alpha waves interspersed with Theta waves
Theta waves interrupted by Sleep Spindles (12-14Hz) and K complexes (large, slow potentials)
Delta waves interrupted by Sleep Spindles
Delta waves alone
Who among the following dream the most: newborns? Young adults? Elderly?
NEWBORNS (50%) REM SLEEP
Adults (20%)
Due to active inhibitory process
Not merely due to fatigue of reticular activating system
SLEEP
