Have You Heard? More sleep = fewer parasites (4:10) Feb 05, 2009 By dvm360.com staff video Source: Preston BT, Capellini I, McNamara P, et al. Parasite resistance and the adaptive significance of sleep. BMC Evol Biol 2009;9(1):7.[Epub ahead of print] Related linksTranscript--Have You Heard? More sleep = fewer parasites Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."