Sleep Flashcards
What are the determinants of sleepiness?
duration of prior wakefulness circadian aging drugs sleep disorder
What’s this?
linked to sun
affects most living creatures
occurs even when isolated from time cues
circadian rhythm
Disruptions of circadiam rhythm is associated with (blank) and shortens life
tumors
Things contributing to circadian rhythm
wake/sleep hormonal temperature immune drug metabolism renal function airway function
What % of pts presenting to primary care physicians report sleeping probs?
50%
How many non-REM stages of sleep are there? How many REM stages? What is the order? How often does it repeat?
4 non-REM; 1 REM
1, 2, 3, 4, 4, 3, 2, REM
repeats every 80-100mins
What type of sleep is this?
dreaming
inhibition of muscular activity
REM sleep
What type of sleep is this?
restorative sleep
disinhibition of muscular activity
parasomnias
stage 3 and 4
SLOW WAVE SLEEP
What happens to periods of REM sleep across the night?
they become longer
When does slow wave sleep typically occur? When does REM sleep typically occur?
during the earlier portions of the night; REM sleep in the last 1/3 of the night
In what sleep stage do we spend most of our time? How much time is spent in REM sleep?
50% of time in stage 2
25% of time in REM
As we age, what are some changes to our sleep?
Just think: overall, bad changes increased light/transitional sleep reduced slow wave sleep reduced sleep time increased awakenings decreased REM reduced sleep efficiency
What are the chief complaints of pts concerning sleep?
fatigue trouble sleeping poor sleep quality not enough sleep abnormal behaviors while sleeping snoring
Why is it important to take a sleep history?
sleep disorders are underdiagnosed
*sleeping probs are one of the most common problems presented to PCPs
What leads to more car accidents, sleep apnea or insomnia?
insomnia
What’s this?
Difficulty initiating, maintaining, or non - restorative sleep
Most common sleep disorder
insomnia
What % of American adults experience insomnia during a 1yr period
30-50%
What’s this?
Difficulty falling asleep
Longer time to sleep onset
sleep onset insomnia
What’s this?
Difficulty staying asleep
Frequent nocturnal awakenings
sleep maintenance insomnia
What’s this?
Waking too early in the morning
sleep offset or late insomnia