Question

multiple select question
select all that apply
what are the two types of normal sleep? more than one answer may be correct.
comatose state
vegetative state
non - rapid eye movement
rapid eye movement

Explanation:

Comatose state and vegetative state are not types of normal sleep but are pathological states of altered consciousness. Normal sleep is divided into two types: Non - rapid eye movement (NREM) sleep and Rapid eye movement (REM) sleep.

Answer:

C. Non - rapid eye movement, D. Rapid eye movement