单词	sleeplessness
释义	sleeplessness /ˈsliːpləsnəs / noun [mass noun] Inability to sleep; insomnia: he began to suffer from bouts of sleeplessness... I finally read the warning about nervousness, dizziness, or sleeplessness. In the international classification of sleep disorders, there are well over 80 specific causes of sleeplessness. A number of problems can contribute to your sleeplessness during pregnancy.
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