Sleep Disorders Flashcards
What percent of patients in a primary care setting will complain of difficulty sleeping?
50%
What does REM stand for?
Rapid Eye Movement
How many stages of NREM/REM cycles occur nightly?
3-6 Cycles
How long does the first REM cycle last?
5-10 minutes
What stage of sleep is considered wakefulness with eyes closed
Stage 0
Wakefulness is characterized by more desynchronous activity beta waves predominate which are ____ (High/Low) in amplitude and (High/Low) in frequency
Low Amplitude
High Frequency
At what stage of sleep would delta waves appear on EEG?
Stage 3
At what stage of sleep would theta waves dominate the EEG?
Stage 2
During REM sleep, waves on the EEG are __________ (synchronized/desynchronized)
Desynchronized
What percent of total sleep time is spent in each stage?
Stage 1: 5%
Stage 2: 45-55%
Stage 3: 15-20%
REM: 20-25%
REM Sleep length ________ (increases/decreases) throughout the night
Increases
The __________ _______ _______ of the hypothalamus is one area of the brain that is particularly involved in the switch between wakefulness and sleep
Ventrolateral Preoptic Nucleus (VLPO or VLPN)
What are examples of the neurotransmitters involved in sleep?
Acetylcholine Histamine Dopamine Norepinephrine Serotonin
T/F: A MSE is useful in assessing sleep
True
What is a polysomnography?
What are components of this?
A sleep study…..
EEG, EOG, EMG, Vitals
What ‘test’ is used to work up excessive sleepiness or excessive daytime sleepiness?
Multiple sleep latency test (MSLT)
What three things are required for a formal diagnosis of insomnia disorder?
How long must these symptoms be present?
1) Difficulty initiating sleep
2) Difficulty maintaining sleep
3. Early awakening, can’t fall back to sleep
3 nights a week for at least 3 months
What is the non-pharmacological managements of insomnia disorder?
What are examples of this?
Sleep Hygiene…..
Set wake/sleep times
Avoid daytime naps
Avoid alcohol
Avoid caffeine
When should sedatives/hypnotics be considered for insomnia?
Transient Insmnia
How does the sedative ativan work/
Increases GABA, depresses CNS (limbic)
Ramelton (Rozerem) is a _________ (Melatonin/Dopamine) receptor agonist
Melatonin (MT1 & MT2)
What is hypersomnolence disorder?
How long must symptoms be present to have the diagnosis?
Excessive daytime sleepiness/somnolence even with prolonged nocturnal sleep often with 1-2 one hour naps
3x week for 3 months
T/F: Hypersomnolence disorder is a diagnosis of exclusion
True
Is there an effective cure for hypersomnolence?
No