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Sleep and its Importance

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Questions and Answers

During which stage of sleep do deep, slow brain waves known as delta waves begin to emerge?

Intermediate sleep

NREM stage 2

NREM stage 3 (correct)

REM sleep

What happens to the body during NREM stage 3 sleep?

The breathing and heart rate become irregular

The muscles are completely relaxed (correct)

The body temperature rises

The brain becomes fairly active

When does REM sleep typically begin after falling asleep?

10-20 minutes after falling asleep

120-150 minutes after falling asleep

60-90 minutes after falling asleep (correct)

30-40 minutes after falling asleep

What is the purpose of REM sleep according to the text?

To process and store emotional memories Signup and view all the answers

What is the recommended amount of sleep for individuals aged 18-64 according to the National Sleep Foundation?

7-9 hours Signup and view all the answers

According to the Repair and Restoring Theory of sleep, what is the purpose of sleep?

To restore expended body energy Signup and view all the answers

What are the characteristics of NREM stage 1 (light sleep)?

Active brain with beta waves Signup and view all the answers

How much of our lives do we spend sleeping?

One third Signup and view all the answers

What is the purpose of deep sleep according to the text?

Repairing the body Signup and view all the answers

How long does NREM stage 1 (light sleep) typically last?

5-10 minutes Signup and view all the answers