Source : Webster's Revised Unabridged Dictionary (1913)

Fidgetiness \Fidg"et*i*ness\, n.
   Quality of being fidgety.

Source : WordNet®

fidgetiness
     n : a feeling of agitation expressed in continual motion; "he's
         got the fidgets"; "waiting gave him a feeling of
         restlessness" [syn: {fidget}, {restlessness}]