Translation of "Nights" in Chinese

We cannot sleep well on summer nights.

在夏天的晚上，我們睡得不是很好。

I have a reservation for two nights.

我预定了两个晚上。

We want to stay for three nights.

我们要住三晚。

It was one of the best nights I've had.

这是我度过的最好的夜晚之一。

I'd like to have a single room with a bath for two nights.

我要一间带浴室的单人间，住两晚。