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Why Sleep Changes a School Day
难度 L3 · 标准难度更新 2026-07-08目标词 20 · 旧词 8
Many students believe they can study late at night and recover the next morning, but sleep changes in a quiet way. A tired student may read the same paragraph twice and still miss the .
A helps. When students sleep, they can , ideas, and understand words in instead of fighting their own tiredness.