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Physiological effect · Space Psychology & Human Factors

Circadian Rhythm Disruption

On the ISS the crew sees sixteen sunrises a day, and mission schedules can shift sleep times; the resulting disruption of the body clock degrades sleep, alertness, and performance.

Countermeasures

How this effect is mitigated.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.