If you're the self-improving kinda person, I'd suggest looking up podcasts related to your line of work, hobbies, mind and health, psychology and that sort of stuff. Last time I went on a transatlantic trip, I stocked up on podcasts and took personal notes as well as notes for my private practice. Kept me engaged for a considerable part of it (total of ~22 hours), although without delays.
Makes you a bit more active even with passive media, and since you're working towards a goal, it also probably leaves you with a productive end result, be it for yourself or ideas for work, hobbies, etc. Couple of ones I like (as reference) are:
How to be a better human; Stuff you should know; Feel better, live more; Speaking of psychology; This jungian life
@Vox_Ursus
@lemmy.world