If that's your main issue, you're very lucky... I wish I could worry about my posterior, but the constant pressure on the knees by the seat in front and the desperate search for a position where my legs will fit keep all my attention.

Sleeping is a pipe dream, of course. When I see headlines like this I don't know whether to laugh or cry.

Airlines need a seat pitch regulation.

(and before anyone mentions that I could just pay more... no, I work at the public sector and our regulations don't let us to pay for any extras in planes because "austerity" and all that).