Question

question 3 (1 point)
at what sleep stage does your breathing become more regular and your awareness of the external world decrease?
stage 2
stage 1
rem
stage 3/4

Explanation:

In sleep - stage 2, breathing becomes more regular and awareness of the external world decreases. Stage 1 is a transition from wakefulness to sleep with light sleep characteristics. REM (Rapid - Eye - Movement) sleep has irregular breathing and vivid dreams. Stage 3/4 is deep sleep where it's harder to wake a person but the transition to more regular breathing starts in stage 2.

Answer:

A. Stage 2