4.8 Sleep Disorders Flashcards
growth hormone increases during which sleep stage (NREM or REM)
NREM
not in REM
As the night goes on you have more ______(REM or NREM)
REM
Body temp and metabolism decrease in both NREM and REM. what is the exception to this statement
brain metabolism increases in REM
Which stage of sleep is the deep,slow wave stage?
N# (this is longer in males)
why do we sleep
memory pruning
what is the most common sleep disorder
a sleep disturbance due to a breathing issue
examples: obstructive sleep apnea, central sleep apnea, sleep related hypoventilation, sleep related hypoxemia
why would a person with myotonic dystrophy be sleepy?
they often suffer breathing sleep disturbances due to to dystrophy of their diaphragm and neck muscles
describe the tetrad of the CNS disorder narcolepsy
- excessive daytime sleepiness
- cataplexy
- hypnagogic hallucinations
- sleep paralysis
pentad:
5. fragmented nocturnal sleep
what is cataplexy?
sudden and transient episode of muscle weakness accompanied by full conscious awareness. cardinal symptom of narcolepsy. caused by an autoimmune destruction of the neurotransmitter hypocretin.
what is hypocretin? when is it released? what is it released by?
neurotransmitter that regulates arousal and wakefulness
released during wakefulness
released by locus ceruleus and raphe nulei
REM behavior disorder (RBD) is a warning sign for what illness in teh future?
parkinsons
what is periodic limb movement?
flexion at hip, knee, and ankle while sleeping
what is parasomnia
undesired physial events or experiences that occur during entry into, within, or out of sleep
REM is characterized by muscle atonia except in which muscles?
eyes and diaphragm
