Get a full 8 hours of sleep so your brain is in good shape on test day.
因此，保障8小时的睡眠时间，能够使大脑在考试时处于良好状态。
Experts recommend that adolescents get about 8-9 hours of sleep each night for good health and optimum performance.
专家建议青少年每晚获得八到九个钟头的睡眠时间可以保持健康和良好状态。
Experts recommend that adolescents get about 8-9 hours of sleep each night for good health and optimum performance.
专家建议青少年每晚获得八到九个钟头的睡眠时间可以保持健康和良好状态。
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