As a volunteer subject in a sleep research lab, conrad is routinely awakened each time he shows physiological signs of entering rem sleep. as a result, we would not be surprised to discover that, during session 19, when conrad is left undisturbed all night,

Respuesta :

I believe the answer is: Conrad exhibits more time spent in REM sleep. 

In mammals, we obtain the most of our resting time when we're entering REM Stage. This stage is characterized by rapid movement in our eyes, increasing changes in dreams, more movement during sleep, and faster rate of pulse and breathing.