Astrology & Circadian Rhythms?

Has anyone ever thought about the time of your birth, whether it be day or night, and how that might have affected your natural set point of sleeping cycles? Obviously anyone can pretty much adjust to any wake/sleep cycle for work. But do you think some people are more inclined to be night owls versus early risers? I mean simply based on their time of birth within the day or even just sun placement. Personally, i can see a correlation between having a chart more predominantly based in the negative/feminine signs causing one to be slightly more nocturnal, with the opposite for the positive/masculine ones.

Really? Nothing?

I've thought about this as well. I was born around four in the morning. I'm a feminine/negative sign and I thrive the night scene. I've been like that since I was a kid. It's hard for me to sleep at night, even having to work during the day my body would fight to stay up during the night. It's something about coming out at night when everyone asleep. You feel like you run the street, and the eerie feeling that something can come out and go Booo!!! Lol, god I'm weird.

But it really does feel exhilarating.