Stages Of Sleep etc Flashcards
1
Q
Stage 1:
A
Light sleep. Dropping off stage. 10 mins.
2
Q
Stage 2.
A
Early sleep
Initial part of it; 20 mins.
Then 50% normal sleep.
R.E.M. SLEEP is apart of this stage
3
Q
Stages 3&4:
A
NON R.E.M.
necessary for:
Refreshes body.
Tissue restoration.
4
Q
Stage(ish) 5
A
R.E.M. SLEEP. responsible: Refreshes brain. Paralyses body. More R.E.M. throughout the entire sleep.
5
Q
Sleep cycles
A
90 mins
Normally 4-5 bouts of R.E.M. In sleep period.
6
Q
Aircrew attitude to sleep, must be:
A
PRO ACTIVE
7
Q
Zeitgebers
A
Body clock cues. Sun rising is the biggest.
8
Q
Time: 0500/0600
Time: 2000
A
Temperature low, performance least. CIRCADIAN LOW
temperature at highest
9
Q
Sleep is taken when?
A
When temperature of body falling.
