Inside the hidden bedrooms where cabin crew sleep: (though some admit it's like sleeping in a coffin)

 

 Incredible images of US company Boeing's 777 and 787 planes reveal that they feature a secret staircase (left) leading to a windowless bedroom area known as Crew Rest Departments (CRCs) (main) designed for flight attendants and pilots to unwind in during long-haul journeys. The size and position of these spaces varies depending on each aircraft model, but they are typically nestled away behind the cockpit area, located above first class (top right). On Boeing 777 planes there can also be a separate area for pilots, with two beds, two business-class seats and, in some airlines, a bathroom area with a sink or lavatory.