Questions: 16. The restful stage of sleep primarily occurs: - During the non-REM stage of sleep - During the REM stage of sleep - Just before your alarm goes off - None of these 17. During non-rapid eye movement (non-REM) sleep: - Memory consolidation occurs - The body and brain get the deep rest it needs - You are in active sleep

The answer to question 16 is the first one: during the non-REM stage of sleep.

Explanation:

• During the non-REM stage of sleep: Correct. The restful stage of sleep primarily occurs during non-REM sleep, which is characterized by slower brain waves and is crucial for physical restoration and recovery.
• During the REM stage of sleep: Incorrect. REM sleep is associated with dreaming and brain activity similar to wakefulness, not the deep, restful sleep.
• Just before your alarm goes off: Incorrect. This is not a specific stage of sleep and does not accurately describe when restful sleep occurs.
• None of these: Incorrect. The correct answer is provided in the first option.

The answer to question 17 is the second one: the body and brain get the deep rest it needs.

Explanation:

• Memory consolidation occurs: Incorrect. While some memory consolidation does occur during non-REM sleep, it is more strongly associated with REM sleep.
• The body and brain get the deep rest it needs: Correct. Non-REM sleep, particularly the deeper stages (stages 3 and 4), is essential for physical and mental restoration.
• You are in active sleep: Incorrect. Active sleep is more characteristic of REM sleep, where the brain is active and dreaming occurs. Non-REM sleep is characterized by slower brain activity and physical rest.

Summary: 16. The restful stage of sleep primarily occurs during the non-REM stage of sleep. 17. During non-rapid eye movement (non-REM) sleep, the body and brain get the deep rest it needs.