Falling asleep using the contemplation technique mended the body and mind. It was also called fetal breathing, the optimal way of resting. It allowed the subconscious to fall into a state between dreaming and not dreaming. The mind could work in tandem with the body's natural capabilities to recover what was lost using no more nutrients than what was necessary.0

Using fetal breathing to sleep for four hours was enough to satisfy one's need for rest. If one was injured or hollow, one could simply use more time to make up for it.0

Once he woke up, An Jing felt completely rested and wakeful. Though his muscles...0