Correct

发困

/ fākùn /
Strokes

Definition

to get sleepy

Example

As a Verb

feel sleepy/drowsy/somnolent/lethargic

1
zi
屋子
tài
太热
  
,
ràng
rén
zhí
kùn
发困
  

The room is so warm. It's making me drowsy.

2
Zhèxiē
这些
yào
ràng
rén
kùn
发困
  

These tablets make you drowsy.

3
Ràng
rén
kùn
发困
de
tiān
天气

drowsy/somnolent weather

4
fàn
午饭
hòu
kùn
发困

feel dozy/sleepy after lunch