n.(名词)

1. 【医】失眠，失眠症

sleeplessnessn.失眠

wakefulnessn.觉醒；不眠

restlessnessn.辗转不安；烦躁不安；不安定

hypersomnian.[医]睡眠过度；嗜睡

1. 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。
2. Too much stress on the job could cause insomnia.
   工作压力太大可能会导致失眠。
3. The medicine works like magic on insomnia.
   这药治疗失眠有奇效。
4. She sufferd from insomnia recently.
   她最近患了失眠症。