Correct

入寐

/ rù mèi /
Strokes

Example

As a Verb

fall asleep; go to sleep

1
Zuówǎn
昨晚
zàoyīn
噪音
tài
  
,
nánmèi
难以入寐
  

I couldn't sleep last night because of the noise.

2
Zhǎnzhuǎn
辗转
néng
mèi

toss and turn in bed