名词
中文翻译：延长的睡眠
同义词：
['extended sleep', 'prolonged rest']
例句：
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1.He spent the entire night in bed, unable to get up for extended sleep.
他整晚躺在床上，无法入睡，只能睡很长时间。
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2.The patient needed a lot of rest and was given extended sleep during the recovery period.
病人需要休息很多，在恢复期间得到了长时间的休息。
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3. During the long flight, passengers often need extended sleep to avoid fatigue.
长途飞行中，乘客们经常需要长时间休息以避免疲劳。