Sleep Disorders Flashcards
What occurs in NREM 1?
transition b/t wakefulness & sleeping
theta waves
What is an important characteristic of ALL NREM sleep stages?
muscles are NOT paralyzed
What occurs in NREM 2?
body temp drops & HR slows
sleep spindles & K complex
What occurs in NREM 3?
muscles relax, BP & breathing rate drops, deepest sleep occurs
delta waves
What are important characteristics of REM?
muscles are PARALYZED
brain is electrically & metabolically active (DREAMS)
occurs in bursts w/ an increase in cerebra; blood flow
controlled by cholinergic cells
beta waves
What is the category of insomnia that only lasts several days?
transient insomnia
What is the category of insomnia that is less than 3 months?
short term insomnia
What is the category of insomnia that occurs at least 3 nights/week for 3 months or more?
chronic insomnia
What drugs can cause or worsen insomnia? (there’s 19? guess as many as you can)
- alcohol, caffeine, nicotine
- anticholinergics
- cholinesterase inhibitors
- SSRI/SNRI
- a & b blockers
- ACE/ARB
- bronchodilators
- CNS stimulants
- corticosteroids
- decongestants
- opioids
- diuretics
- H2RAs
- statins
What is the first line therapy for chronic insomnia?
CBT for insomnia
Which benzo is only used for sleep onset?
rest are used for onset & maintenance
triazolam (Halcion)
What benzos are used for sleep onset & maintenance?
- estazolam (ProSom)
- flurazepam (Dalmane)
- quazepam (Doral)
- temazepam (Restoril)
What are the z-drugs? (3)
- eszopiclone (Lunesta)
- zaleplon (Sonata)
- zolpidem (Intermezzo, Edluar, Ambien CR, Ambien IR, generic IR, Zolpimist)
What insomnia types is Eszopiclone (Lunesta) indicated for?
What is it excellent for?
onset OR maintenance
maintenance & early morning awakenings
How is Eszopiclone (Lunesta) dosed?
How long can it be used for?
QHS
up to 6 mo
What Z-drugs are major CYP3A4 subs?
- Eszopiclone (Lunesta)
- Zaleplon (Sonata)
What insomnia types is Zaleplon (Sonata) indicated for?
onset only
How is Zaleplon (Sonata) dosed?
How long can it be used for?
QHS
up to 30 days
What zolpidem BRAND name & dosage FORM is indicated for maintenance only?
What does it specifically help with?
Intermezzo (sublingual)
middle of the night awakening
What zolpidem BRAND names & dosage FORMS are indicated for onset only? (4)
- Edluar (sublingual)
- Ambien IR (IR tab)
- generic IR (cap)
- zolpimist (spray)
What zolpidem BRAND name & dosage FORM are indicated for maintenance & onset?
Ambien CR (ER tab)
What zolpidem BRAND names & dosage FORMS are given QHS w/ 7-8 hours of planned sleep? (5)
- Edluar (sublingual)
- Ambien CR (CR tab)
- Ambien IR (IR tab)
- generic IR (cap)
- zolpimist (spray)
What zolpidem BRAND name & dosage FORM needs to be given at least 4 hours prior to wakening?
Intermezzo (sublingual)
What zolpidem BRAND names & dosage FORMS have different dosages according to gender?
- Intermezzo (sublingual)
- Ambien CR (CR tab)
- Ambien IR (IR tab)
- Zolpimist (spray)
What insomnia types are DORAs (Dual Orexin A & B Receptor Antagonists) indicated for?
sleep onset or maintenance
What is the CI of DORAs (Dual Orexin A & B Receptor Antagonists)?
narcolepsy
How much planned sleep is needed for QHS dosing of DORAs (Dual Orexin A & B Receptor Antagonists)?
7 hours or more
List the DORAs (Dual Orexin A & B Receptor Antagonists):
(3)
- suvorexant (Belsomra)
- lemborexant (DayVigo)
- daridorexant (Quviviq)
What enzyme completes DORAs (Dual Orexin A & B Receptor Antagonists) metabolism?
CYP3A4
Which DORAs (Dual Orexin A & B Receptor Antagonists) are associated with awakening drowsiness (long t1/2)?
- suvorexant (Belsomra)
- lemborexant (DayVigo)