Sleep Disorders Flashcards
name short-acting Z drugs, which is shortest
zopiclone
zopiderm
zaleplon (shortest acting)
what type of insomnia does short acting hypnotic treats
Sleep-ONSET insomnia
which CD schedule does Z drug belong to
CD4.1
name long-acting BZs
DNF - diazepam
nitrazepam
flurazepam
what type of insomnia does long-acting BZ treat
sleep-MAINTAINANCE insomnia
name short-acting BZs
LOLLT- lorazepam, oxazepam, loprazolam, lormetazepam, temazepam
which BZ is CD schedule 3 instead of 4.1
temazepam
what are the three types of insomnia
transient
short term
chronic
name 4 other hypnotics
1 clomethiazole (also etOH w/d)
2 chloral hydrate (limited use)
3 antihistamines: promethazine, diphenhydramine (OTC)
4 melatonin (pineal hormone in >55)
long term use of hypnotics can cause what complications (3)
1 dependece (14 days) 2 tolerance (only use PRN) 3 w/d symdrome (rebound insomnia)
what to advise upon stopping hypnotics
sleep may be disturbed for a few days but broken sleep and vivid dreams can presist for weeks
max duration of use for zaleplon
2 weeks
MOA of Z drugs
act on GABAa rec to enhance GABA binding to receptors (GABA inhibitory NT in brain - sedation)
SE of Zdrugs and BZs
1 paradoxial effects (aggression, anxiety)
2 daytime sleepiness (enhaced by alcohol)
what is narcolepsy
inappropriate sudden onset of sleep, brain cannot regulate normal sleep wake cycle, sudden loss of muscle control (cataplexy)