An exhausted fisherman takes a nap on a commercial fishing skiff in Bristol Bay, Alaska.
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How Explorers Sleep in Extreme Spots
Even on the high cliffs of Yosemite or in the caves of Malaysia, adventurers must learn to turn off their brains and catch some Z's.
Humans need sleep. Our bodies don’t care how busy or worried or uncomfortable we are: Eventually, we must succumb. But how can anyone rest while perched on a ledge thousands of feet off the ground or wedged into the prow of a heaving boat?
Amazingly, these explorers, photographers, and adventurers find a way.
European philosophers used to think of sleep as a liminal state, a moment in which a person’s otherwise active sensory system was in suspension. Sleep was a time to restore a person’s finite “sensorial powers” and recharge them for further exploration of the waking world.
However, modern sleep science tells us that the story is more complex, and that it’s not a passive activity. Once we slip into