Hitting the hay simply means going to bed. That is a good idea. I think I will hit the hay now.
倒在草堆上意思是去睡觉。那是个好主意,我想我现在要睡觉了。
The 40-year-old machinist told Bild newspaper he had had 「a few beers」 with a friend in Wiesenburg, southwest of Berlin, and decided to hit the hay in the bank on his way home.