oscitation

noun2

1. •
   The act of yawning or gaping.

   • Ossitacio is the latyn worde..In englysh it is named ossitacion yeanynge or gapynge. — 1547
2. •
   (no longer used) The condition of being listless, drowsy, negligent, or inattentive; an occurrence of such negligence or inattention.

   • These transient fits of oscitation, and inactivity, are perhaps no more than a necessary relaxation to the mind, and serve to quicken its faculties to a more lively sensation of returning pleasure. — 1744