"And the mind develops the capacity for harmony with thoughts (dharana)." - Patanjali's Yoga Sutra, 2:53
Yoga is not only a collection of complex poses or asanas, but many of its movements are focused on attaining relaxation before commencing or after completing a routine. Relaxation asanas may look easy but they require a level of consciousness needed to release the tension from the muscles. There is more to relaxation than meets the eye.
Savasana or the Corpse Pose is part of the relaxation asanas, typically practised at the beginning or end of a yoga session. Derived from the two sanskrit words shava meaning corpse and asana meaning pose, the goal of this asana is to calm the mind and relax the muscles in the entire body, even though it may tempt you to fall asleep while lying down.