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Fatigue facts for kids

Kids Encyclopedia Facts
Sleeping students
This man is showing fatigue, as his arms are folded and his head is resting on them.

Fatigue or tiredness is a physical or mental feeling. It happens when someone is ready to sleep or has done a lot of physical exercise. The person may feel weak, slow or sleepy. They may yawn, and may find it difficult to keep the eyes open. Usual fatigue goes away when you rest or sleep.

Fatigue may also be caused by physical or mental illness, jet lag, drug or alcohol use, medications, blood loss, malnutrition, starvation, stress or boredom.

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Fatigue Facts for Kids. Kiddle Encyclopedia.