noun ダウンロード 🔗共有 不眠症 A sleeping disorder that is known for its symptoms of unrest and the inability to sleep. Examples : ""Stress from work can cause insomnia, making it hard to fall asleep at night." " 仕事のストレスは不眠症を引き起こし、夜に寝つきにくくなることがあります。 medicine disease mind body physiology AIとチャット語彙ゲーム読解練習