Risk Risk of Performance Decrements and Adverse Health Outcomes Resulting from Sleep Loss, Circadian Desynchronization, and Work Overload
Short Title: Sleep Last Published:  07/30/21 01:05:31 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)
3x2Accepted with Optimization3x1Accepted
Long
(30 days-1 year)
3x2Accepted with Optimization3x1Accepted
Lunar OrbitalShort
(<30 days)
3x2Accepted with Optimization3x1Accepted
Long
(30 days-1 year)
3x2Accepted with Optimization3x1Accepted
Lunar Orbital
+ Surface
Short
(<30 days)
3x2Accepted with Optimization3x1Accepted
Long
(30 days-1 year)
3x2Requires Mitigation3x1Accepted
MarsPreparatory
(<1 year)
3x2Requires Mitigation3x2Requires Mitigation
Mars Planetary
(730-1224 days)
3x3Requires Mitigation3x3Requires Mitigation
Note: LxC is the likelihood and consequence rating. The information above was last approved by the Human System Risk Board in 8/2019.
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)