hyposomnia

例句：

1. 1. She was unable to sleep because of the noise from the neighbors.
   由于邻居的噪音，她无法入睡。
2. 2.He had a bad night's sleep due to his exhaustion.
   由于劳累，他整晚都没睡好。
3. 3. The doctor prescribed him medication for his hyposomnnia.
   医生给他开了药来治疗他的失眠症。