I'm a night owl. I often tend to stay up late. How about you?
I used to stay up late myself as well a few years ago, but not anymore. Not since I heard about the drawbacks of staying up late.
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