Below you can find the These wingless bloodsuckers often infest sleeping quarters; don't let 'em bite! Jeopardy Words Answer. The answer to These wingless bloodsuckers often infest sleeping quarters; don't let 'em bite! has 7 letters. This clue belongs to the Zoology category and is part of Jeopardy Word Level 1622. If you scroll near the bottom you will find other clues and answers part of level 1622