For your bed bug inside your beds, mattress and sofa (couch), remove all your sheets, duvet, blankets and pillowcases : make them in washing machine at +65°C (: 149°F) (you should do it often every 3-4 days for remove the bed bug and their eggs). Turn the bed base (box springs) over, and make against the wall.
Close all the windows, press the button of the aerosol one shot, place it in the middle of the room, near the bed, and leave immediately the room. Close the door. Come back 4 hours after, open the windows and air the room before entering. Remove all the carcass, pass the vacuum cleaner in the bedroom in each corner.
You should make it once again, between 7 and 10 days after.
