REM sleep is also known as paradoxical sleep because: (A) Measures of the brain activity closely resemble waking consciousness but the person is in the deepest stage of sleep. (B) Measures of the brain activity closely resemble waking consciousness , but the person is incapable of moving. (C) The person's heart rate is slower than when awake, but the person can sleepwalk or sleep talk. (D) The person can have night terrors during this stage but will not remember them in the morning. (E) The person's vital signs are very slow.but the person can get up and walk around