Pathophys--Sleep Flashcards
Morbidity and mortality associated with sleep
Cognitive harm; CVD, HTN, CHF, A fib, accidents
What is the definition of sleep
a reversible state of perceptual disengagement from—and unresponsiveness to—the environment
During which part of sleep is someone most at risk for apnea?
Later cycles as REM becomes longer
Role of thalamus?
Signaling center that blocks signals to the brain during sleep
Which part of the brain controls day and night (circadian rhythms) and using what substance?
Suprachiastmatic nucleus via melatonin levels
About what percentage of men and women have diagnosed sleep apnea?
4% of men, 2% of women
Who typically has ‘advanced sleep phase’
Old people
Who typically has ‘delayed sleep phase’
Young people / teens
What is a Multiple Sleep Latency Test?
EEG defined sleep latency during 4-5 naps
What is the Epworth sleepiness scale?
Self-reported tendency to fall asleep in 8 different situations
