From 11-12 AM, and if I'm not being disturbed (except eating, ofc), till 9-10 PM.

5 PM-1 AM

3 am once. No regrets.

7 am. i pull alot of allnighters -.-

6am
stayed up because friends from europe were on :(
i fell asleep after that

5 am, lol

If I'm not doing something else, on days off when I have no homework I usually just stay at my computer the whole day until at LEAST midnight, sometimes I stay up longer, however.

I get to stay up at 11:00 or 12:00 :D

But im gonna start staying up at 7:30 in weekends cos i have to go online with my american friends :D

The longest I've stayed up on this game was 3:30am

I've been up all night , alot of times.
But at school times 11pm

about 10:12 AM to 5:02 APi think..

longest I stayed up was 9:00 AM to 12:00 it which my clock set back 1 hour so 10: AM to 1:00

36 hours..