The video explores the differences between early birds and night owls, focusing on how their sleep patterns are influenced by the circadian system. It explains the role of light exposure in regulating the body's internal clock and discusses whether sleep schedules can be altered. The importance of maintaining consistent sleep and light hygiene is emphasized to support a healthy circadian rhythm and avoid health risks.

What is the main question raised about early birds and night owls in the introduction?

• Whether they can change their sleep patterns

• How they differ in their morning routines

• Why they have different energy levels

• What time they prefer to eat breakfast

What part of the brain is responsible for anchoring the circadian system?

• Cerebellum

• Anterior hypothalamus

• Medulla oblongata

• Cerebral cortex

How does the circadian system prepare the body for sleep?

• By reducing cortisol levels

• By stimulating appetite

• By producing melatonin

• By increasing heart rate

What is a key factor in synchronizing your circadian rhythm?

• Social interactions

• Consistent meal times

• Regular exercise

• Light exposure

What can happen if your circadian rhythm is compromised?

• Health risks like metabolic disorders

• Increased energy levels

• Improved memory

• Enhanced immune function