The crew rest area on a Boeing 787 Dreamliner. http://www.gettyimages.com/detail/news-photo/the-interior-of-the-crew-sleeping-quarters-on-the-boeing-news-photo/138786921?license Flight attendants are humans too, and just like everyone else, they need to sleep on long-haul flights.

But where do they do it?

Most Boeing 777 and 787 airliners have a secret stairway that leads to a tiny set of windowless bedrooms for the cabin crew — and few people know they even exist.

See what the secret cabins look like.

An earlier version of this story was written by Jim Edwards.