Correct

打夜作

/ dá yè zuō / 
Strokes

Example

As a Verb

work late into the night

1
Tā
他
yīlián
一连
dá
打
le
了
jǐ
几
ge
个
yè
夜
zuō
作
  
,
xiǎnde
显得
jīnpílìjìn
筋疲力尽
  
。

He looked exhausted after working overtime for several straight nights.