Year 10 Psychology_Sleep_Module 1

What is the definition of sleep?

• A state of unconsciousness with no brain activity.
• A natural, reversible state of reduced responsiveness to external stimuli.
• A heightened state of awareness and hyperactivity.

Which of the following represents the two primary stages of sleep?

• Wakefulness and REM
• NREM and REM
• Light sleep and deep sleep

What does NREM stand for in the context of sleep stages?

• Non-Restorative Eye Movement
• Non-Rapid Eye Movement
• Never-Ending Restful Moments

During which stage of sleep do vivid dreams often occur?

• Stage 1 (NREM)
• Stage 2 (NREM)
• REM (Rapid Eye Movement)

What is one of the functions of sleep related to cognitive processes?

• Sleep helps in maintaining muscle strength.
• Sleep enhances memory consolidation and learning.
• Sleep only affects emotional regulation.

Why is sleep considered crucial for physical health?

• It provides an opportunity for intense physical activity.
• It allows the body to repair and rejuvenate tissues.
• Sleep has no significant impact on physical health.

Which evolutionary perspective suggests sleep is a protective mechanism keeping organisms inactive when vulnerable?

• Adaptive Sleep Theory
• Restorative Sleep Hypothesis
• Energy Conservation Perspective

According to evolutionary theories, what might be the adaptive advantage of sleep?

• Increased vulnerability to predators.
• Enhanced ability to explore the environment.
• Conservation of energy and avoidance of dangers during inactive periods.