bab 4 Flashcards
nrem have many stage?
3
nrem stag 1 what happen
breath and heart rate become slow and the time wakefull and sleep
what happen in nrem stage 2
?
brainwave become slow and burst sleep spindles
what happen nrem stage 3?
body repair,anbd growth hormone release
rem stage what happen?
keep the memory and regulation on emotion,and decerease bad hormone
what cell that make we need to sleep at night?
suprachiasmatic nucleus(SCN) this cell at hypothalamus that sensitive on light
suprachiasmatic nucleus(scn) give signal to what?
pineal gland that produce maltonin
what melatonin?
produce to sleep
why we sleep we unconsiouns
because reticular activating system (RAS) regulating arousal and attention
during sleep what brain part reduce active?
hypothalamus,thalamus and brainstem cause decrrease signal of sensosry
benefit sleep
hormone cortisol will decrease stress