Science of Sleep, Pt2

What does it mean to go through sleep cycles?

• To rest the body and mind.
• To enter a state of paralysis.
• To transition between wakefulness and sleep.
• To undergo distinct stages of sleep with specific functions.

Which type of brain waves are prevalent during deep sleep?

• Alpha waves.
• Beta waves.
• Delta waves.
• Theta waves.

What is a significant characteristic of REM sleep?

• Slow and large brain waves.
• Temporary paralysis of the body.
• Rapid body movements.
• Decreased brain activity.

What is REM sleep primarily associated with?

• Physical restoration.
• Immune system enhancement.
• Dreaming and emotional processing.
• Deep tissue repair.

What is the primary role of deep sleep?

• Memory consolidation.
• Emotional processing.
• Physical restoration.
• Problem-solving.

Which sleep stage is characterized by the occurrence of sleep spindles?

• Stage 1 - Light Sleep.
• Stage 2 - Onset of Sleep.
• Stage 3 - Deep Sleep.
• Stage 4 - REM Sleep.

What is the main reason for the body's temporary paralysis during REM sleep?

• To enhance physical restoration.
• To facilitate dreaming.
• To prevent acting out dreams.
• To improve memory consolidation.

What are the cognitive functions associated with REM sleep?

• Memory consolidation, emotional regulation, learning.
• Physical restoration, growth, problem-solving.
• Muscle repair, metabolism, immune support.
• Mood regulation, energy replenishment, memory retention.

What happens during stage 1 of the sleep cycle?

• Deep sleep occurs.
• Rapid eye movements.
• Muscles relax, brain produces alpha and theta waves.
• Dreams are vividly experienced.

Which of the following is a reputable source for information about sleep stages?

• Personal blogs on sleep.
• Unverified social media posts.
• National Sleep Foundation.
• Online forums with anecdotal stories.