What is the difference between sunnah, nap and sleep : Perhaps this subtle issue deserves to be included in the book , and from what has been said about the difference between them : that the vapors are constantly rising from the body to the brain . Whenever she encountered lukewarm or fatigue, she seized it . It is the mineral of sensation and movement, and it is a sunnah . The seizure of the sense of sight is a nap . And if the whole body is an independent sleep . Ah . See : “ Al-Qarafi fi Al Dhakhira ” (1/227):