Quiz on Sleep and Consciousness

What is the main function of REM sleep?

• Physical recovery

• Memory consolidation and emotional regulation

• Muscle repair

• Deep rest

Which stage of sleep is characterized by slow brain waves and is crucial for physical recovery?

• REM Sleep

• Stage 1 NREM

• Stage 2 NREM

• Stage 3 NREM

What happens to muscles during REM sleep?

• They become more active

• They are paralyzed

• They twitch involuntarily

• They recover from injuries

A person gets 10 hours of sleep but little REM. What might they struggle with?

• Running faster

• Gaining weight

• Memory and emotional regulation

• Digestion

Which of the following is NOT a common effect of sleep deprivation?

• Mood swings

• Enhanced creativity

• Cognitive impairment

• Weakened immune system

How long does a full sleep cycle typically last?

• 30 minutes

• 60 minutes

• 90 minutes

• 120 minutes

Which level of consciousness involves being aware and responsive to the environment?

• Unconsciousness

• Non-conscious

• Preconscious

• Conscious

Which sleep stage is considered light sleep where a person can be easily awakened?

• REM

• Stage 1 NREM

• Stage 2 NREM

• Stage 3 NREM

If someone constantly falls asleep during the day and snores heavily at night, they may have:

• Night terrors

• Sleepwalking

• Sleep apnea

• Insomnia

A student studies all night before an exam without sleeping. What’s likely to happen?

• They will do better because they reviewed more.

• Their memory will improve due to repetition.

• Their focus and memory may decline.

• Sleep isn’t needed before an exam.