Paragraph 2
Cold-water immersion has been used in
fields for its curative and healing
. For many decades, ice baths have helped to speed the
of athletes following
, energy-sapping performances. Dr Allan said his findings also showed a positive impact on sleep. He said: "Two weeks of
therapeutic cold-water immersion improved
sleep, with fewer sleep disturbances." Subjecting the body to cold water for health
is already a common
. At the New Year, people take a plunge in icy seas and lakes. In Japan,
refresh their bodies by alternating dips in hot and cold baths in a
known as toto-no-u.