No, if it's women of the night, getting rejected at 8PM means there is more time to find someone else. Those who want to wait will find those with more money. Late at night, some may take less money to do lewd things.

I was drunk in the red light district of Frankfurt once. I watch two guys get into a knife fight. I sat on the curb and drank more. I was chased out once because I was not buying. Ended up with a woman who was 6'8".