Sleep is a confounding neurological need. Although there are different cycles of sleep and levels of neural activity during sleep; not all observed cycles of sleep cause difficulty if deprived.
Patients deprived of REM sleep do not exhibit neural dysfunction during awake states. However, patients deprived of stage 4 deep sleep show reduced neural activity during awake states.
If a patient is sleep-deprived, which of the following behaviors would be observed?