After returning from her vacation in hawaii, your cousin apologizes for forgetting the time difference and calling while you were asleep. you're very puzzled by her comment because you have no recollection of the phone conversation. the phone conversation most likely occurred while you were experiencing:
The phone conversation occurred when the person
is experiencing the stage 4 NREM sleep. Stage 4 NREM Sleep is a last stage in
the cycle of sleep. In this stage, it shows that the person is in a state of
deep sleep where in this stage the person is difficult to be awake. Also in the
deep sleep stage, the growth hormones was released to the body. Dreams is also
established during the stage 4 NREM sleep.
