Cave dwellers: scientists study time loss and group bonding in the dark

NCT ID NCT05603780

First seen Apr 13, 2026 · Last updated Jun 16, 2026 · Updated 12 times

Summary

This study placed 15 healthy adults in an underground cave for 40 days with no clocks or natural light. Researchers measured how their sense of time, sleep patterns, thinking skills, and group teamwork changed. The goal was to understand how people adapt to extreme isolation and a world without time cues.

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Contacts and locations

Locations

  • CHU CAEN

    Caen, France

Conditions

Explore the condition pages connected to this study.