sentences:  The name comes from the Sanskrit words शव "Śava", "corpse" and आसन "Āsana", "posture" or "seat".The alternative name Mrtasana is from Sanskrit मृत "mṛta", "death".The earliest mention of this asana is in the 15th century "Hatha Yoga Pradipika" 1.32, which states that "lying full length on the back like a corpse is called Shavasana.