Times Square, New York

On any evening a percentage of the spectators sitting in the bleachers at Times Square are bleary-eyed airline crew, coming to terms with why New York is called the "city that never sleeps".

When you sleep during the day the room maid next door smashes the vacuum cleaner into the wall beside your bed, and taxi drivers honk at crossing pedestrians in the streets below.

Earplugs are the solution. Along with that book: "Sleeping for Pilots & Cabin Crew (And Other Insomniacs)" HERE