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Amazing Feats

The Longest Anyone Has Stayed Awake

The longest recognized time without sleep is nearly 19 days, not the famous 11. Here's the record history and what sleeplessness does.

The long read

Everest Without Oxygen: The Few Who've Done It

Doctors once said it couldn't be done. In 1978, Reinhold Messner and Peter Habeler did it. Only 232 people have summited Everest without bottled oxygen, about 1.7% of all summiters. Here's why it's so hard.

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From the archiveSee all →

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