>>65596629they find you based on CO2 emissions, but usually they need to be tracked in from outside from purses, jackets, blankets, etc. and they don't live in your bed, they're climbers and they're razor thin and will leave after eating, hiding in any crevice or underhang they can find (even electrical outlets). they adapt to your sleep schedule and do literally nothing all day besides wait for you to sleep and can go like a year without food, and people who aren't allergic usually show no visible wounds.
expecting it to come from only dirty people and to have obvious evidence of their presence makes them like ghosts in a modern person's house. "it can't happen to me."
