The Collaborative International Dictionary of English v.0.48:

Resty \Rest"y\, a.
   Disposed to rest; indisposed toexercton; sluggish; also,
   restive. [Obs.] --Burton.
   [1913 Webster]

         Where the master is too resty or too rich to say his
         own prayers.                             --Milton.
   [1913 Webster]