Years ago when my son was young, we watched a tv show about dust mites and how many there were on the average bed. That night he wouldn't get in bed, he just curled up at the "foot" of the bed
A wise old goat once told me that there are over 824 tick species in the world at this very moment in time. I would vouch that there are probably only about 4 1/2 and someone out there is getting paid overtime to make them up.