Understanding Sleep and Circadian Rhythms

What is the primary influence of the circadian rhythm on the human body?

• Digestion

• 24-hour cycle of sleep and wakefulness

• Muscle growth

• Hormone production

Which of the following is NOT a function of sleep?

• Memory consolidation

• Energy conservation

• Immune system weakening

• Growth

Which sleep theory focuses on the idea that sleep helps with memory processing?

• Restoration theory

• Adaptive theory

• Information-processing theory

• Energy conservation theory

During which sleep stage do dreams primarily occur?

• NREM Stage 1

• NREM Stage 2

• NREM Stage 3

• REM

Which brain wave pattern is associated with deep sleep?

• Alpha waves

• Beta waves

• Theta waves

• Delta waves

Which of the following is a common sleep disorder characterized by difficulty falling or staying asleep?

• Sleepwalking

• Sleep terrors

• Insomnia

• Narcolepsy

What effect does exposure to artificial light have on the circadian rhythm?

• It strengthens it

• It has no effect

• It disrupts it

• It shortens it

Which theory suggests that sleep is necessary for physical recovery and repair?

• Adaptive theory

• Restoration theory

• Information-processing theory

• Energy conservation theory