I love staying up really late.
Yeah me too, I am a night owl myself especially on the weekends.
I don't know why, but I get more done at night when I am the only one up.
night owls may stay awake until just before or even after dawn. Night owls tend to feel most energetic just before they go to sleep at night. 
Some night owls have a preference or habit for staying up late, or stay up to work the night shift. Night owls who work the day shift often have difficulties adapting to standard daytime working hours.
Night owls have often been blamed for unpunctuality or attitude problems. Employers, however, have begun to learn to increase productivity by respecting body clocks through flexible working
long-term commitment to the music industry in an interview:
When I play, I am very much in the space where I was when I wrote the music. You could slay me quite easily, I'm at my most vulnerable. I am very private, in all aspects of my life, to everybody, so why is it that I get up on stage every night and open myself in front of strangers? I'm not sure if I've got the bottle for it, any more.
Marling