Cave dwellers: scientists study 40 days without time
NCT ID NCT05603780
First seen Apr 13, 2026 · Last updated May 16, 2026 · Updated 4 times
Summary
This study placed 15 healthy adults in an underground cave for 40 days with no clocks or natural light. Researchers measured how the group's sense of time, sleep patterns, thinking skills, and teamwork changed in this extreme environment. The goal was to understand how humans adapt to isolation and time loss, not to test a treatment.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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CHU CAEN
Caen, France
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