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Y2 LCRS Neuro Fwong HR > Sleep > Flashcards

Flashcards in Sleep Deck (11)
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1
Q

Recall which stages of sleep are NREM and which are REM

A
1-4 = NREM
5 = REM
2
Q

How long does the average sleep cycle last?

A

90 mins

3
Q

What structures of the brain are involved in control of sleep?

A
  1. RAS
  2. Lateral hypothalamus (orexin/ hypocretin)
  3. Venterolateral preoptic nucleus nucleus of anterior hypothalamus
  4. Suprachiasmatic nucleus
4
Q

Recall the function of the orexin/ hypocretin system

A

Promotion of wakefulness

5
Q

Which hypothalamic nucleus promotes sleep?

A

Venterolateral preoptic nucleus nucleus of anterior hypothalamus

6
Q

Which hypothalamic nucleus responds to light level to affect consciousness?

A

Suprachiasmatic

7
Q

Recall 4 somatic effects of sleep deprivation

A

Glucose intolerance
Reduced leptin
Impaired immunity
Increased CVD risk

8
Q

Recall 2 physiological causes of sleep deprivation

A

Sleep apnoea

Chronic pain

9
Q

What sort of drug can be used to treat sleep deprivation?

A

Pro-GABA drugs

10
Q

With what co-morbidity is narcolepsy associated?

A

Cataplexy

11
Q

What might cause people to act out their dreams?

A

Louis-body dementia