Note 9 — MEMOIRS OF DOCTOR WATTS.
Reading edition
What he says in one of his sermons shews to what the corporeal afflictions of his later days may be ascribed: Midnight studies are prejudicial to nature, and painful experience calls me to repent of the faults of my younger years, and there are many before me have had the same call to repentance. Wearing out the lightsome hours in sleep is an unnatural waste of sun-beams. There is no light so friendly to animal nature as that of the sun. Serm. xx.