There is also a fifth sheath, the anandamayakosha, which is beyond the physical entirely. Ananda means “bliss.” It has nothing to do with the physical realms of life. A dimension that is beyond the physical cannot be described or even defined, so yoga talks about it only in terms of experience. When we are in touch with that aspect beyond the physical, we become blissful. It is not that a bubble of bliss lies within your physical structure. It is just that when you access this indefinable dimension, it produces an overwhelming experience of bliss.