it depends
Bram Stoker saw vampires as undead beings who rely on drinking blood to survive. He developed the modern image of vampires as aristocratic, mesmerizing, and powerful creatures with the publication of his novel "Dracula" in 1897. Stoker's vampires blend seductive charm with a dark, predatory nature.
The same reason everyone else sleeps in the dark - 'cause if you had the light on then you wouldn't be able to get to sleep in the first place.
No
not all vampires feed in the dark
Vampires live in dark and rainy, wet and cold conditions
According to lore, direct sunlight hurts vampires, so naturally, they would want to stay in a dark place.
Vampires are unholy, and fear the cross because they are made from dark magic
yes you properly would if you goout in the dark at night.
mostly dark caves
The skin of a python is dark, allowing it to blend into bark or another dark colored surfaces just by sitting there.
It really dosent matter. If you wish to be sterotypical then vampires would wear gothic or dark stylish clothing. However in Twilight, the Cullens wore normal but expensive clothing. Vampires wear what they feel like wearing, just like me and you.
No, it must be a dark murky place. Too much light will kill vampires. that's why Dracula lives in Transylvania Castle- a dark, horrible place.