Sauna, bath in steam from water thrown on heated stones, popular in gymnasiums and health clubs, with some units available for home use. The sauna may derive from baths described by Herodotus, who tells that the inhabitants of Scythia in central Eurasia threw water and hempseed on heated stones to create an intoxicating steam.
Meditation, private devotion or mental exercise encompassing various techniques of concentration, contemplation, and abstraction, regarded as conducive to heightened self-awareness, spiritual enlightenment, and physical and mental health.