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

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