For three days and nights they watched by her bed waiting for her to come round.

他们在她床边守了3天3夜，等待她苏醒过来。

《新英汉大辞典》

Why are we awakened by the rustling sound of bed sheets on some nights, but oversleeping without paying attention to those alarm clocks that wake others up?

为什么我们在某些夜晚会被床单发出的沙沙声吵醒，却没有理会那些吵醒别人的闹钟声而睡过头呢？

youdao

She watched beside her sick mother's bed for several nights.

她在她母亲的病榻旁守了好几夜。

《新英汉大辞典》

The business plan of April 2012 said one of the aims is to achieve the sale of 180, 000 bed nights in hotels and other accommodation for the duration of the games.

BBC: World Police and Fire Games competitors 50% below target

While some people have been making their own accommodation arrangements - so far the figures for groups booking through official channels show 40, 000 bed nights have been reserved, about a quarter of the target set in April last year.

BBC: World Police and Fire Games competitors 50% below target

Foss considers it a joy to sleep in the same bed for a few nights, but also likes train travel.

CNN: Inside a flight attendant's not-so-glam life