Sleep disorders Flashcards
Stage I of sleep is characterized by?
- theta waves
When one is awake, which two waves predominate on EEG?
- alpha and beta waves
State II of sleep is characterized by?
- k complexes and sleep spindles
Stage III of sleep is characterized by?
- delta waves
Describe how a patient would present in REM sleep
- loss of tone, rapid eye movement, brain is awake but body is paralyzed
Which stage of sleep is where the most restful sleep occurs?
- stage III
Define sleep latency
- the time it takes for the patient to go from awake to stage I of sleep
Define REM latency
- the time it takes for a patient to go from stage III to REM sleep.
Sleep latency is ____ in insomnia
increased
REM latency is ____ in narcolepsy
decreased
REM latency _____ in the elderly
decreases
REM latency ___ in both obstructive sleep apnea and alcohol use.
decreases
dreams gone bad in REM; patient will remember the dreams and they are easy to awake
nightmares
patient experiences active behaviors while asleep; the patient appears awake but they are asleep
night terrors
Nightmares are usually associated with ____ (caused by)
some sort of stressor
Treatment for night terrors
Reassurance; the child will grow out of it (reassure parents)
Define obstructed sleep apnea (OSA)
Something causes obstruction or collapse of airway while the patient is sleeping and as a result, they wake up and will not get rested sleep.
- Being overweight (large neck), large tongue can cause obstruction.
- In children–> enlarged adenoids can cause this
Diagnose of OSA
polysomnogram
Define central sleep apnea CSA
- patient forgets to breathe during sleep. This can be caused by drugs, like opioids. Patients with COPD or stroke are also at an increased risk.
Tx for OSA
CPAP
Dx of CSA
polysomnogram
Tx for CSA
BIPAP
What are the criteria to diagnose narcolepsy?
- Patient needs to experience rapid REM by going right to sleep at least 3x/wk for at least 3 months.
___ is loss of tone
cataplexy