somni-

例句：

1. 1.She fell asleep to the sound of the rain.
   她被雨声吵醒睡着了。
2. 2.He dreams of a better life every night.
   他每晚都梦想着更好的生活。
3. 3.The child was so tired that he couldn't keep his eyes open.
   那个孩子太累了，睁不开眼睛。