妙法蓮華經文句 9.21

9.21

問：誰眠？答：五道及中陰皆有眠，在胎諸根具者亦是眠，乃至佛亦眠。

Question: Who sleeps? Answer: Those in the five destinies and the intermediate existence all have sleep; those whose sense organs are complete in the womb also sleep; up to and including the Buddha, who also sleeps.