LI.1.23 - The purpose of sleep

Which theory of sleep suggests that sleep is important for restoring the body's physical and mental resources?

• Restoration theory
• Evolutionary theory
• Circadian rhythm theory
• Activation-synthesis theory

According to the evolutionary theory, why do animals have different sleep patterns?

• Due to their dietary needs
• Based on their habitat
• To conserve energy
• To restore brain function

The restoration theory of sleep argues that sleep evolved to conserve energy and protect animals during periods of inactivity.

• True
• False

Briefly compare the restoration and evolutionary theories of sleep in terms of their main focus.

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Which theory posits that sleep has evolved to enhance an organism's survival, rather than to fulfill physiological needs?

• Restoration theory
• Evolutionary theory
• Circadian rhythm theory
• Activation-synthesis theory

Which theory suggests that sleep helps in the repair and rejuvenation of the immune system, muscles, and various other bodily structures?

• Restoration theory
• Evolutionary theory
• Circadian rhythm theory
• Activation-synthesis theory

Sleep is primarily for brain plasticity, according to the restoration theory.

• True
• False

Discuss how the evolutionary theory of sleep differs from the restoration theory in explaining the purpose of sleep.

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How does the restoration theory explain the increased need for sleep after physical or mental exertion?

• By suggesting it's a response to conserve energy
• By suggesting it's a response to restore depleted resources
• By suggesting it's a response to environmental dangers
• By suggesting it's a response to social interaction needs

Which theory would support the idea that animals sleep based on the risk of predation they face in their environment?

• Restoration theory
• Evolutionary theory
• Circadian rhythm theory
• Activation-synthesis theory