Question

Sleep stages are defined in terms of the __________. A. amount of time spent sleeping B. length of restful sleep experienced C. occurrence of brainwave patterns D. number of dreams experienced

Answer 1

C. Answer
There are different stages of sleep. Three of the stages are non rapid eye movement or NREM. The last stage is REM sleep. The cycle in stages of sleep last about 90 minutes.

Answer 2

The statement that describes Sleep stages in this question is C. occurrence of brainwave patterns.

• Sleep stages can be regarded as stages involved in having a sleep, this range from rapid eye movement  known as (REM) sleep as well as non-REM (NREM) sleep.

• In adults sleeping usually start from the drowsy state and then right to the NREM sleep.

Therefore, option C is correct because it stated about occurrence of brainwave patterns

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