Sleep disorders Flashcards
Adenosine homeostatsis
Adenosine increases while awake– breakdown of ATP
- high- tire
- low- awake
Cytokines interleukin- 1B
increase in the evening and promote sleep
Prostaglandin D2
Promotes NREM
Circadian Clock
lights out- hypothal releases melatonin
Clock genes
Protein synthesis drives the clock
- what you do during the day will regulate what/ how many genes are made for the clock
Somnogems
Homeostatic driving forces
Zeitgebers
Env. driving forces
Isomnia
Difficulty initiating or maintaining sleep
Sleep deprevation
leads to decreased brain activity in frontal cortex
Hypersomnia
Excessive daytime sleepiness or inability to maintain wakefulness
Narcolepsy
Daily sleep abrupt attacks- high emotional states
low or absent orexin or receptors
breathing related sleep disorders
Central- brainstem issue
obstructive- aging, weight gain, atrophy
Circadian Rhythm sleep disorders
Advanced types- go to sleep too early- old ppl
delayed types- go to sleep too late
Nocturnal Myoclonus or periodic limb movement (PLM)
still asleep– not getting stage 4
treated with dopa
Restless legs (RLS)
wakeup and have to move around
treated with dopa