n.失眠；失眠症
Lately he has been moaning about his insomnia and headache. 他近来一直诉说自己患了失眠和头痛症。
The medicine works like magic on insomnia. 这药治疗失眠有奇效。
She sufferd from insomnia recently. 她最近患了失眠症。
n.失眠患者
adj.失眠的；引起失眠的
