No Bedbugs sometimes nest in your bed and sometimes nearby but not necessarily in your bed. They may be in furniture near your bed or under the carpet or in a hole in the wall or in a chair or couch...
Quite a few more than you want. It is like asking how many ants can be on a doughnut. Bedbugs also lay eggs so they will keep sucking your blood until treated. I used isopropyl rubbing alcohol 91% in...