sleep disorders Flashcards

1
Q

what is the suprachasmatic nucleus

A

biological clock, coordinates cincadian rhythms

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2
Q

if awoken in this sleep stage you feel like you haven’t slept

A

stage 1. 50% reductions in EEG, 5-10 min

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3
Q

this stage is the light sleep stage

A

stage 2, sleep spindles(EEG, periods of activity then nothing), body temp and heart rate drop,

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4
Q

if you wake up in this stage you feel less rested and this is also the stage where you have night terrors or sleep walk

A

stage 3, delta waves

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5
Q

this is the stage where dreams occur

A

REM, EEG looks like awake. EMG is flat

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6
Q

when does the body restore

A

stage 3, high synchronicity

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7
Q

when does the brain restore

A

REM, low synchronicity

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8
Q

what is melatonin made from

A

tryptophan

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9
Q

what stimulates and inhibits melatonin

A

light inhibits, dark stimulates

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10
Q

what kind of receptors does melatonin use

A

GPCR

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11
Q

what neurotransmitter increases as ATP is used

A

Adenosine, inhibitory, accumulates during the day, used up at night, helps regulate GABA

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12
Q

people with insomnia spend most their sleep in which stage

A

stage 2, light sleep

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13
Q

older people spend less time in which stages

A

REM and stage 3

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14
Q

mechanisms of RLS

A

Genetic, iron (part of DA sythesis) difficiency, low ferretin lvls

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15
Q

mech. of narcolepsy

A

deccresed hypocritens, go straight to REM

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16
Q

Sleep apnea mech

A

happens mostley in REM when muscles collapse

17
Q

what is persistent insomnia

A

longer than 3 months

18
Q

mechanism of CSA

A

absence of air in mouth and nose with out activation of inspiratory muscles

19
Q

what is stimulus control therapy

A

make a positive connection between bed and sleep, avoid naps, get out of bed if can’t sleep after 20 minutes

20
Q

what is biofeedback therapy

A

reduce somatic arousal

21
Q

sleep hygiene

A

not useful alone, avoid stimulants, avoid exercises an night, don’t watch the clock

22
Q

what are zolpidem and eszopiclone metablosized by

A

3A4 and phase 2

23
Q

zalepon is metabolized by what

A

aldhyde oxidase

24
Q

tasimelteon is indicated for…

A

non 24 hour

25
Q

Ramelteon does what

A

increases sleep latency

26
Q

how are tasimelteon and ramelteon metabolized

A

cyp go through first pass

27
Q

has does modifinal work

A

not known but possibly by promoting release of monoamines

28
Q

how are modifinal and armadofinal metabolized

A

CYP

29
Q

how does valerian extract work

A

like GABAnergic

30
Q

treatment for insomnia

A

non benzo’s first, melatonin agonist second, antidepressent next, then last line combined drugs

31
Q

treatment for OSA

A

CPAP is first line, second line modifnial during the day

32
Q

treatment for nacrolepsy without paralysis

A

first line is modifinal, second line segelin or sodium oxybate

33
Q

treatment of narcoplespy with paralysis and other symptoms

A

first line is venlafaxine, sodium oxybate or fluoxetine, second line is TCA or MAOI

34
Q

treatment for jet lag

A

short acting benzo, remalotin, meltonin

35
Q

treatment for shift work disorder

A

therapy, modifinal, benzo

36
Q

whats a good med for elderly

A

mirtazapine

37
Q

treatment for RLS

A

iron, ropinerol, pramixaprol