Reefersleep is a state of cryo-preservation assisted hibernation employed by Ultranauts and others intending to travel through space for extended periods of time.

RS Glossary entry Edit

Reefersleep: The cryogenic freezing technology adopted by Ultras.
- description from the official RS glossary [1]


  1. Revelation Space universe - RS Glossary - R,, the official website of Alastair Reynolds
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