Over the past 30 years, airplane economy seat width has shrunk by 4 four inches. But in the past year alone, airplane ticket prices have risen by around 25%. So, how do you sleep more easily on flights? An expert ergonomist gives her tips on how to get comfortable in flight and shows the best positions for sleeping on a plane with a cheaper coach ticket. 0:00 Meet Carla Jaspers, an occupational therapist and professional ergonomist 0:31 Issues with sleeping on the tray table 2:00 How to most effectively sleep in an upright position 3:37 Other helpful tips for sleeping in coach #Travel #Flight #WSJ