Ch 3 - Sleep Flashcards
1
Q
Awake
A
- Active mental concentration (beta waves)
- Relaxed with eyes close (alpha waves)
2
Q
When we are actively mentally concentrating
A
Beta Waves
3
Q
When we are relaxed w/ eyes closed
A
Alpha Waves
4
Q
Stage 1 of Sleep
A
- Lightest stage of sleep
- 5% of sleep time
- Characteristics: peacefulness, slowed pulse & respiration, lower blood pressure
- Theta waves
5
Q
Theta waves are associated with this stage of sleep
A
Stage 1
6
Q
The lightest stage of sleep, about 5% of sleep time
A
Stage 1
7
Q
Stage 2 of Sleep
A
- Largest percentage of sleep time
- 45% of sleep time
- Sleep spindle & K-complexes
8
Q
The largest percentage of sleep time is spent in this stage of sleep
A
Stage 2
9
Q
About 45% of sleep time
A
Stage 2
10
Q
Sleep spindle & K-complexes are associated w/ which sleep stage
A
Stage 2
11
Q
Stage 3 & 4
A
- Deepest, most relaxed stage of sleep
- 25% of sleep time
- Characteristics: sleep walking (somnambulism) enuresis, night terrors (no recall)
- Delta waves
12
Q
Deepest, most relaxed stage of sleep
A
Stages 3 & 4
13
Q
Stage of sleep when we experience sleep walking (somnambulism) enuresis & night terrors (no recall)
A
Stages 3 & 4
14
Q
Delta Waves are associated w/ this stage of sleep
A
Stages 3 & 4
15
Q
REM (Rapid Eye Movement)
A
- 25% of sleep
- Characteristics: dreaming, clitoral/penile erection, increased blood pressure, absence of skeletal movement, night mare (recall)
- Saw-tooth waves
- Avg time for 1st REM: 90 minutes
- Lasts approximately 10-40 minutes
- Occur every 90 minutes
- Rebound REM. Increased REM after sleep deprivation
