L17 - Sleep Flashcards Preview

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Flashcards in L17 - Sleep Deck (10):
1

?% of med students have insomnia.
?% have circadian problems

10-30% of med students have insomnia.
25% have circadian problems

2

Why do we need sleep?

Theories (CREMRTPAS)

Cellular machinery repair
Body repair
Energy replenishment
Memory consolidation
Re-sculpting of synaptic populations
Thermoregulation
Predator avoidance
Maximal adaptation to environment
Shrinkage

3

Ageing

As you age you need LESS sleep

4

Wake system

GABA takes over wehen asleep

5

Sleep phases

Rapid eye movement (REM)
Non-rapid eye movement (NREM)

6

Diagnosing sleep disorders

Sleep history (sleep onset/latency, time, quality, pattern, sleep attacks, walking/talking etc.)
Sleep diary
Actigraph
Polysomnograph

7

1. Insomnias

Primary = tired but wired
Secondary = due to substances, medical, psychiatric

8

2. Excessive day time sleepers

Fall asleep at inappropriate times, have excessive sleep.
Can be due to sleep apnoea, narcolpesy.

9

3. Parasomnias

Sleep walking/talking/sex/eating

10

Sleep paralysis

Wake up in middle of night with eyes open but cannot move. Have to relax to get it to pass.