Insects also have extremely low threshold to pain. Even if you crash an insect, or take out a wing, or handicap it, it would still strive to move away from you or from any attacker.
Bed bugs is only one among the millions, if not billions or trillions, of insects living with us in this planet called Earth.
Bed bugs also belong to kingdom Insecta, is scientifically known as Cimex lectularius.
Bed bugs are so tiny that you can hardly see them even in broad daylight. But there are bed bugs that can grow to about one fourth of an inch, the most they can grow. These bed bugs are the mature ones that have regular source of food and good natural or conducive habitat.
Bed bugs, like most other insects, live in places that are usually neglected by people.
In your room, you can probably see and find bed bugs inside small and tiny crevices, cracks or holes in the wall, the ceiling, the floor, some furniture or even your bed.