Why Do People Get ‘Cranky’ When They’re Tired?

Tired people get cranky because their brain is working harder than it should. When you're tired, your brain doesn't have enough energy to think clearly or stay happy. It's like when you’re playing with toy blocks and can’t find the right one, everything feels harder, and that makes you mad.

Take the quiz →

Examples

  1. After a long day at school, your little brother says something annoying, and you blow up over it.
  2. You’re tired after playing soccer for an hour and get mad because someone took the last cookie from the jar.
  3. Your mom asks you to do one more chore before dinner, but all you can think about is how cranky you feel.

Ask a question

See also

Discussion

Recent activity

Nothing here yet.