My husband goes up at 9.30pm and I think that's silly early?! I suppose he is 49 with a badly sleeping and bedsharing 4 yo!
I go up at around 10pm as I get a bit bored downstairs on my own but never sleep until around 11ish.
My 17 yo is asleep by 10.30 because he's sensible, and my 15 yo...well...silly o' 'clock!!
I just think 9.30pm is early, but happy to stand corrected?