After a decade of red-eyes and tarmac delays, I know that travel survival...
https://smart-wiki.win/index.php/How_Much_Cabin_Humidity_is_on_a_Plane_and_Why_Does_It_Matter%3F
After a decade of red-eyes and tarmac delays, I know that travel survival requires actual preparation. My carry-on kit keeps me human. I never board without electrolyte packets for hydration, a quality sleep mask, and 15-20 mmHg compression socks