noun🔗Share不眠症A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.""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。medicinediseasemindbodyphysiologyChat with AIVocabulary GamePractice Reading