Risk Risk of Performance Decrements and Adverse Health Outcomes Resulting from Sleep Loss, Circadian Desynchronization, and Work Overload
Short Title: Sleep Last Published:  07/29/22 01:33:17 PM (Central)
Element: Human Factors and Behavioral Performance (HFBP)
Evidence:  Report
Risk Master Logic Diagram:  Diagram
Point of Contact:  Erin Flynn-Evans
HRP Risk Status: Active [current research ongoing]
Risk Ratings and Dispositions per Design Reference Mission (DRM) Category
DRM CategoriesMission Type and
Duration
OperationsLong-Term Health
LxCRisk Disposition *LxCRisk Disposition *
Low Earth OrbitShort
(<30 days)
5x2Accepted with Optimization3x1Accepted with Monitoring
Long
(30 days-1 year)
5x2Accepted with Optimization3x1Accepted with Monitoring
Lunar OrbitalShort
(<30 days)
5x2Requires Characterization3x1Accepted with Monitoring
Long
(30 days-1 year)
5x2Requires Characterization3x1Accepted with Monitoring
Lunar Orbital
+ Surface
Short
(<30 days)
5x2Requires Characterization3x1Accepted with Monitoring
Long
(30 days-1 year)
5x2Requires Characterization3x1Accepted with Monitoring
MarsPreparatory
(<1 year)
5x2Requires Mitigation4x2Requires Mitigation
Mars Planetary
(730-1224 days)
5x2Requires Mitigation4x2Requires Mitigation
Note: LxC is the likelihood and consequence rating. The information above was last approved by the Human System Risk Board in 3/2022.
Risk Statement
Given that astronauts experience sleep loss, circadian desynchronization, and work overload, there is a possibility that performance decrements and adverse health outcomes will occur.
Gaps (3)