When you're tired, your brain gets a bit lazy. It can't think clearly anymore, and that makes you feel grumpy or sad. Imagine your brain is like a robot, when it runs out of battery, it starts acting weird.
Examples
- After a long day at school, you snap at your brother over something tiny.
- You’re sleepy on the bus and start crying because someone talked to you.
- Your mom says one thing, but you take it as an insult and get angry.
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See also
- Why Do People Get ‘Cranky’ When They’re Tired?
- What Causes ‘Nap Time’ to Feel So Restful?
- How Does Sleep Help the Brain Learn New Things?
- What Causes a ‘Good’ Sleep to Feel Restful?
- What Happens to Our Brain When We Fall Asleep?
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