Cockroaches are not likely to bite living humans, except perhaps in cases of extreme infestations where cockroach population are large, especially when food becomes limited. In most situations, cockroaches would not bite humans if there are other food sources such as in garbage cans or exposed food.

Can roaches bite you at night?

Cockroaches Bite In The Night

But, when the night falls, it is also the time for them to bite humans because their targets are asleep. Because of this, it will be harder for you to monitor the pest and might as well wake up with bites on your body.

How do I know if a cockroach bit me?

What do cockroach bites look like? A bite from a cockroach is likely going to appear as a red bump much like other insect bites. The bite area may itch and it may also swell up much like mosquito bites.