carphology

noun

car·​phol·​o·​gy kär-ˈfäl-ə-jē 

variants also carphologia

ˌkär-fə-ˈlō-j(ē-)ə 

plural carphologies also carphologias

: an aimless semiconscious plucking at the bedclothes observed in conditions of exhaustion or stupor or in high fevers

called also floccillation