Are you a night owl? That's a person who ends up staying up late every night.
I am, I love staying up past midnight and sleeping in in the morning. What about you?
I am the same way. I could stay up all night if I wanted to. They call it a night owl because owls are pretty much nocturnal.
That makes a lot of sense. The same goes for the saying early bird gets the worm.
Night owl (person)
A night owl, evening person or simply owl, is a person who tends to stay up until late at night, or the early hours of the morning. Night owls who are involuntarily unable to fall asleep for several hours after a normal time may have delayed sleep phase syndrome. 
The opposite of a night owl is an early bird – a lark as opposed to an owl – which is someone who tends to begin sleeping at a time that is considered early and also wakes early.
Some months ago, I used to wake up in the silence of the night to think about what I was going to do. But not anymore. People ask me, 'Are you scare?' No, I am not scared. If I was, I wouldn't do it. Rather, I'm excited. I am putting one third of my energy into just staying calm. The work is on such a scale that if you got too excited, you would explode,". The show was her first