Examples
- When your brain feels sleepy, it makes you yawn to wake up like when you're sitting in class after lunch.
Ask a question
See also
- What Are The Differences Between Dreams And Daydreams?
- What is Rapid eye movement (REM)?
- Why Do People Yawn When They’re Bored or Tired?
- Why Do People Yawn When They’re Bored or Tired?
- Why Do People Yawn When They Are Tired?