Sleep Medicine Flashcards
How much time do we spend sleeping?
a third of our lives!
What percentage of the population report sleeping difficulties?
47%
35% occasional and 12% regular
True or false; animals will die faster of sleep deprivation than food deprivation
true
What percentage of hospital patients with behavioral problems suffer from sleep disturbances?
80%!
What are the two main part sof sleep?
REM sleep
Non-REM sleep
What is REM sleep for in general?
restoring the brain
What if non-REM sleep for in general?
restoring bones and muscles
what are the stages of non-REM stages?
stage 1
stage 2
slow wave stage (the new 3 and 4)
Describe stage 1
it’s the transition form wakefulness to sleep
also called twilight sleep
people will say they were awake
Describe stage 2
bridge from stage 1 to slow wave
EEG tracings of sleep spindles with K complexes in response to arousal
Describe what happens in slow wave sleep?
- restorative to bone san dmuscles
- consistent breathing pattern
- stable blood pressure - about 10% lower than during the day (dipping)
- most difficult to awaken from
- parasomnias occur
What are parasomnias
bedwetting
sleep walking
sleep talking
WHat happens to BP and breathing during REM?
they fluctuate highly
What else happens in REM?
dreaming and erection
True or flase: REM is the hardest state to awaken from.
false - it’s actually the easiest to awaken from