Omphaloskepsis
Omphaloskepsis or navel-gazing is contemplation of one's navel as an aid to meditation.
The word derives from the Ancient Greek words is found in the practice of yoga or Hinduism and sometimes in the Eastern Orthodox Church. In yoga, the navel is the site of the manipura chakra, which yogis consider "a powerful chakra of the body". The monks of Mount Athos, Greece, were described as Omphalopsychians by J.G. Minningen, writing in the 1830s, who says they "...pretended or fancied that they experienced celestial joys when gazing on their umbilical region, in converse with the Deity".
However, phrases such as "contemplating one's navel" or "" are frequently used, usually in jocular fashion, to refer to self-absorbed pursuits.