Insomnia Flashcards
Define insomnia
Difficulty falling OR staying asleep
What’s primary insomnia?
insomnia w/o cause
what’s 2ndary insomnia?
insomnia caused by a condition/drug
NTs assoc w/ non-REM sleep
GABA and adenosine
NTs/substances assoc w/ wakefulness
- ACh
- NE
- DA
- substance P
- corticotropin releasing factor
- histamine
How do lower levels of DA affect sleep?
Lower DA levels PROMOTE sleep
How many hours of sleep are assoc w/ poor health outcomes?
≤ 6h
What is the MOST COMMON med that promotes insomnia? Why?
Levodopa > increases CNS DA levels > promotes wakefulness
5 most common meds likely to disrupt sleep
levodopa, prednisone, venlafaxine, fluvoxamine, rotigotine
How frequently must sleep difficulty occur for insomnia to be dx’ed?
at least 3 nights per week
How long must sleep difficulty be present for insomnia to be dx’ed?
at least 3 mths
Insomnia: sleep onset latency goal?
< 30mins
Insomnia: wake after sleep onset goal?
< 30 mins
Insomnia: total sleep time goal?
> 6h
T or F: Pharmacotx is NOT great for insomnia usually.
T
1st line tx for insomnia
CBT for insomnia (CBTi)
T or F: CBTi improves sleep, but not total sleep time.
T
Non-pharm tx’s for insomnia
- sleep hygiene
- sleep restriction
- stimulus ctrl
- cognitive tx
- relaxation tx
T or F: Drugs are last line for insomnia tx
T
Pharmacotx should not be used longer than ____ for insomnia tx.
1 month
How much time can sedative hypnotics increase total sleep time by (according to studies)?
25 minutes (not sig)
Classes of drugs for used for insomnia
Z-drugs
antidepressants
BZDs
OTCs
Z-drugs used for insomnia? Which one is most common?
Zopiclone - more common
Zolpidem
Which antidepressants are used for insomnia? Which one has evidence?
Doxepin
Trazodone
L-tryptophan