hit the hay

基本解释

If you’ve still had a bad day, hit the hay.
如果今天对你而言依然糟糕，那么就睡觉吧。
In a country where Christmas is a festive import, "Merry Christmas" means "Eat, drink, be merry and hit the hay happy.
作为“泊来节”，圣诞节在中国意味着吃喝玩乐，然后痛快地大睡。
blog.sina.com.cn
A source added to Britain's The Sun newspaper: "The band are keen to make hay while the sun shines. They have hit a rich vein with their songwriting and feel more creative than ever."
英国地太阳报称：“这个乐队正在抓紧时机做新专辑，他们现在有着丰富的创造灵感并且比以往任何一个时候都更具创作力。

If you are tired after hitting all those nails on the head, then it is time to hit the hay.
That is a good idea. I think I will hit the hay now.