This Gadget Is Designed to Help You Sleep on a Plane
This is the Hypnap Body Rest. It's a device designed to allow airline passengers to sleep while crammed into tiny, uncomfortable seats. Clamp it over the folding table, then lean forward. The cushions on...
https://www.neatorama.com/2015/06/19/This-Gadget-Is-Designed-to-Help-You-Sleep-on-a-Plane/