A student researching sleep has taken the following notes:

• Humans spend about one-third of their lives sleeping • The brain cycles through sleep stages approximately every 90 minutes • Deep sleep is essential for physical restoration • REM sleep is crucial for memory consolidation and learning • Sleep deprivation impairs judgment and reaction time

2
reading

The student wants to explain why sleep is essential for brain function. Which choice most effectively uses relevant information from the notes?

A

Humans spend approximately one-third of their lives sleeping.

B

Sleep is essential for brain function: REM sleep consolidates memories and enables learning, while deprivation impairs judgment and reaction time.

C

The brain cycles through different sleep stages approximately every 90 minutes.

D

Deep sleep is essential for physical restoration of the body.

Correct Answer: B

Choice B. REM for memories/learning and deprivation effects show brain function importance.