Rats aren't picky when it comes to their food sources, everybody knows that. But that's not entirely true. There is one thing rats seem to love more than anything else, and given the chance they will risk everything to get it again and again: your blood.

Do rats bite humans in their sleep?

Most bites happen at night while the patient is sleeping. Rats tend to bite parts of the body that are exposed during sleep, like hands and fingers. Rat bites are usually not severe: most bites are simply washed and the patient is immediately released.

What are rats scared of?

Rats are afraid of human activity, mostly because humans are so much larger than they are. Rats also fear predators such as hawks, eagles, and other birds of prey. Other animals that rats are afraid of include your cat as well as rat terriers and other dogs that hunt rodents.