Answer:
NREM- 2 sleep
Step-by-step explanation:
NREM- 2 sleep -
It refers to as the very second stage of the sleep ,
In this step -
- This stage of sleep is for around 20 minutes .
- The person gets very less aware about the surroundings .
- The heart rate and breathing rate becomes very regular .
- The temperature of the body reduces .
The living organism spend almost half of the sleep in this very stage .
The brain starts to generate rhythmic brain wave activity , which is known as the sleep spindles .
hence , from the given scenario of the question ,
The correct answer is NREM- 2 sleep .