Just for comparison, AD&D used a natural HP recovery rate of 1 hit point per day.
Just for comparison, AD&D used a natural HP recovery rate of 1 hit point per day.
One must not forget that in AD&D, one only benefited from rolling for Hit Points and Constitution modifiers for 9 levels. Furthermore Constitution was rolled for, Constitution modifiers were flatter, there were also no possible Ability Improvements every few levels.