2 文書を見つけるための辞書。

• insomnia
• 不眠症, 不眠
• an inability to sleep; chronic sleeplessness
• 眠れないこと

• sleeplessness, wakefulness
• 不眠症, 不眠
• a temporary state in which you are unable (or unwilling) to sleep; "accept your wakefulness and sleep in its own contrary way is more likely to come"
• 眠れない（あるいは、眠ろうとしない）一時的な状況