Grade 3 · Science · Lesson 30

Importance of Sleep

Sleep is one of the most important things your body does. While you are asleep, your brain processes everything you learned during the day, and your body repairs itself and grows. Getting enough sleep every night is essential for good health, learning, and mood.

What this lesson teaches

1State the recommended number of sleep hours for school-age children
2Identify two key ways sleep helps the body and brain
3Describe what happens when a person does not get enough sleep

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