Flyers warn air travel is becoming unbearable as passenger seats keep shrinking

More and more travelers are taking to social media to share the uncomfortable experiences they've had sitting in cramped airplane seats — prompting renewed debate over airline seating policies and passenger etiquette.

Across multiple platforms, passengers have posted videos and detailed accounts about situations in which they were literally pressed against windows or armrests on fully booked flights.

Some users described feeling trapped, panicked or even short of breath during flights...