Due to my type of work I am often in air. Sometimes I get completely confused about the time. When flying east I try to go to sleep earlier and get up earlier and opposite when I travel west. I try to avoid day flights because when I sleep and that happens very often in an airplane I feel completely disoriented when the night comes. And that is always in some different place on this earth. Do you sleep during daytime flights?
I also try to avoid daytime flights for the same reason. My health is in danger when I dont sleep regularly and on time. When I was a kid I saw a plain crash on TV. I think that was some movie but never the less I got life time fear from plains. Considering that the time is money I cant afford avoiding plains always. So I take sleeping pills before every flight. Then you know my answer : I always sleep over the whole flight never mind is it early in the morning or late at night. I dont even know if people around me also sleep or talk.