pernoctation

noun3

1. •
   (formal) The action of abiding through the night at a location; (countable) an instance of this; an overnight stay.
2. •
   (formal) The action of walking about at night, especially as a vigil or watch; (countable) an instance of this.

   • In 1599 Sʳ Robert Leech and Sʳ John Meades were guilty of pernoctation and breaking windows. They had been sent to prison by the Proctor. — 1958
3. •
   (formal, no longer used) A religious watch kept during normal sleeping hours, during which prayers or other ceremonies are performed; a vigil.