Answer:
Explanation:
The descriptions provided in the question can each be placed into its corresponding Stage of Sleep, like so...
Stage 1
- Alpha waves dominate
- Feeling a drifting sensation
Stage 2
- Light sleep
- Sleep spindles occur
- Beginning of decline in respiration and blood pressure
Stage 3
- Typically begins about 20 minutes after stage 1
Stage 4
- Vital signs are at their lowest levels
- Delta waves dominate
