But there are other things you probably should - and shouldn't - do if you’re travelling on a plane, as one former flight attendant revealed.
The former flight attendant took to Reddit and answered some of the most important questions about flying.
Reddit user adrianne456, whose credentials have been verified by Reddit, wrote: “I've been a flight attendant for a little under two years for a regional airline that serves three of the US' major airlines.
“I worked on 80 seater aircrafts with one other flight attendant and two pilots. It's been a great experience, but today - I quit.”
indy100 compiled a list of things not to do on a plane based on what adrianne456 revealed…