Why Can’t You Always ‘Complete’ Yawns?

The video explores the phenomenon of yawning, highlighting its contagious nature and the scientific processes involved. It delves into historical beliefs and modern theories about yawning, including its potential role in emotional attunement. The video also discusses the occurrence of incomplete yawns, linking them to stress and anxiety, and explains the physiological and psychological factors that contribute to this experience.

What is a common reaction people have when they see someone else yawn?

• They feel sleepy.

• They start yawning too.

• They feel hungry.

• They become more alert.

Which of the following is NOT a traditional belief about the purpose of yawning?

• Removing bad air from the lungs

• Increasing blood pressure

• Decreasing brain temperature

• Improving digestion

According to recent theories, what might yawning signal?

• A decrease in stress levels

• A transition from sleep to wakefulness

• A need for more oxygen

• An increase in heart rate

What does the Thompson cortisol hypothesis suggest about yawning?

• Yawning decreases cortisol levels.

• Yawning increases cortisol levels temporarily.

• Yawning has no effect on cortisol levels.

• Yawning permanently raises cortisol levels.

What is a potential cause of incomplete yawns according to research?

• Lack of sleep

• Excessive physical activity

• Underlying stress or anxiety

• High energy levels