Word: sleepings
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ADDICTED TO SLEEP...
Three out of four prescriptions written for insomnia are for potentially addictive benzodiazepines, according to a new study in the journal Sleep. The reason may be financial: newer, nonaddictive drugs are pricier...
...want to experience the extremes of human fitness, just try keeping up with Rebecca Rusch, 36, one of the world's top expedition adventure racers. Several times a year, Rusch runs, bikes and paddles practically nonstop for five or six days, with only a few hours' sleep, through several hundred miles of jungles, mountains, lakes and raging rapids...
This is Judgment Day, the one, says Rusch, "that separates the men from the boys." With very little sleep--probably only a few hours in the past 48--the racers are beginning to feel the physical and mental toll of their almost constant racing. Drinking enough water to fuel the body's internal needs is critical. After a person is up for two days straight, the body's metabolic systems start to overheat like an aging car. Without water and time to rest, muscles begin to falter and the kidneys start to sputter. The heart becomes less efficient...
...lack of sleep, the dehydration, the energy deficit and the physical battering that her body is enduring are starting to affect Rusch's mind. "You start hallucinating and falling asleep while on the bike," she says. "I've had vitamins in my hand and had them all turn into squirming bugs. In New Zealand one time, we were walking through a marsh in the middle of the night, and I saw a Vietnamese woman selling fruit at a little stand. I asked a teammate for some money to buy mangoes as I started to change course and walk toward...