People talk in their sleep because they're dreaming. When someone is asleep, sometimes they dream loud dreams and say what they're thinking out loud. This usually happens during a type of sleep called REM sleep, which is when most people dream the most. It’s like having a secret conversation while you’re fast asleep.
Examples
- Your brother shouts ‘I will defeat you’ while he sleeps because he dreams about a big battle.
- Your mom mumbles ‘I need coffee’ in the middle of the night after dreaming she was at work.
- Your little sister laughs loudly during sleep because her dream had a funny joke.
See also
- Why Do We Yawn When We're Tired?
- What Makes Some Foods Go Bad Faster Than Others?
- Why Do We Need Sleep?
- How Does the Human Body Heal Wounds?
- Why Do We Yawn When We're Tired?