名词
中文翻译：瞌睡虫
同义词：
['sleeping head', 'sleepy person例句：1. He was so tired that he fell asleep in the middle of the lecture.（他太累了，以至于在讲座中间睡着了。）']
例句：
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1. He was so tired that he fell asleep in the middle of the lecture.
他太累了，以至于在讲座中间睡着了。
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2.The baby was so sleepy that he couldn't stay awake for long.
那个婴儿太困了，不能保持清醒很长时间。
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3. She was a sleepyhead who always needed to be woken up by her alarm clock.
她是个总是需要闹钟叫醒的瞌睡虫。