Astronauts on space missions have reported sleep disturbances and disruptions
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
Evidence from space mission analyses, astronaut reports, and microgravity simulation studies consistently demonstrates that spaceflight and weightlessness induce sleep disturbances, fragmentation, and circadian disruptions.
Evidence for · 5
Planetary extravehicular activity (EVA) risk mitigation strategies for long-duration space missions
2021 · cited by 54
Identifies astronaut fatigue and psychological stressors as key areas requiring mitigation during space missions.
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More for · 4
Cortical connectivity analysis for assessing the impact of microgravity and the efficacy of reactive sledge jumps countermeasure to NREM 2 sleep
2020 · cited by 12
Examines how extreme environments like zero gravity impair sleep physiology and sleep quality.
Sleep in 21-Day Dry Immersion. Are Cardiovascular Adjustments Rapid Eye Movement Sleep-Dependent?
2021 · cited by 7
Notes that a decrease in sleep quality and duration during space missions has repeatedly been reported.
Simulating microgravity with 60 days of 6 degree head-down tilt bed rest compromises sleep
2024 · cited by 6
Demonstrates through simulated microgravity bed rest studies that astronauts often experience sleep loss and compromised sleep.
Circadian Disruption and Sleep Disorders in Astronauts: A Review of Multi-Disciplinary Interventions for Long-Duration Space Missions.
2025 · cited by 4
Reviews how astronauts on long-duration missions face significant challenges from circadian rhythm disruptions and sleep disorders.