Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 23)

Recently, a sleep researcher fried an experiment. He offered his subjects the opposite of the modern routine. “I allowed them to sleep for up to 14 hours a night for a month. It took them thr

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Recently, a sleep researcher fried an experiment. He offered his subjects the opposite of the modern routine. “I allowed them to sleep for up to 14 hours a night for a month. It took them three weeks to reach an equilibrium of eight-and-a-quarter hours. That indicates a great rebound of sleep – sleep that they hadn’t been getting.

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Giải thích

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