includes mariners and even many (most) rescue professionals: It is impossible to die from hypothermia in cold water unless you are wearing flotation, because without flotation you wont live long enough to become hypothermic. United States Power Squadrons. "Newspaper Reports: The Dutch Purge of Homosexuals, 1730". Lozano, R; Naghavi,.; Foreman,.; Lim,.; Shibuya,.; Aboyans,.; Abraham,.; Adair,.; Aggarwal,.; Ahn,. The person can voluntarily hold his or her breath for some time, but the breathing reflex will increase until the person tries to breathe, even when submerged.