Nat 5 Psych Role of the Brain

What are the three stages of Non-Rapid Eye Movement sleep?

• Stage 1, Stage 2, and Stage 3
• REM, light, and deep sleep
• Awake, asleep, and dreaming
• Light, deep, and restorative sleep

What is a consequence of sleep deprivation?

• Impaired judgement and mood swings
• Increased energy levels
• Enhanced cognitive function
• Improved memory consolidation

What is the primary function of sleep for the brain?

• To process information and consolidate memories
• To increase physical activity
• To reduce brain activity completely
• To regulate hormones and cleanse toxins

Which part of the brain is primarily responsible for regulating sleep?

• The hypothalamus
• The cerebellum
• The amygdala
• The hippocampus

What are the two main stages of sleep?

• NREM and REM sleep
• Deep sleep and light sleep
• Stage 1 and Stage 2
• Awake and asleep

What characterises REM sleep?

• Increased brain activity and vivid dreaming
• Deep relaxation and muscle recovery
• Slow brain waves and minimal activity
• Rapid eye movements and emotional processing

How long does a typical sleep cycle last?

• About 90 minutes
• About 60 minutes
• About 120 minutes
• About 30 minutes

What happens during NREM sleep?

• Reduction of body temperature
• Heightened alertness and focus
• Increased brain activity and dreaming
• Physical restoration and memory consolidation

What can help improve sleep quality?

• Establishing a consistent sleep schedule
• Consuming caffeine before bed
• Using screens right before sleeping
• Creating a relaxing bedtime routine

Why is quality sleep important?

• Increasing stress levels
• Improving physical strength
• Decreasing the need for food
• Maintaining cognitive function and emotional regulation