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Risk of Performance Decrements and Adverse Health Outcomes Resulting from Sleep Loss, Circadian Desynchronization, and Work OverloadSleep loss, circadian desynchronization, and work overload occur to some extent for ground and flight crews, prior to and during spaceflight missions. Ground evidence indicates that such risk factors may lead to performance decrements and adverse health outcomes, which could potentially compromise mission objectives. Efforts are needed to identify the environmental and mission conditions that interfere with sleep and circadian alignment, as well as individual differences in vulnerability and resiliency to sleep loss and circadian desynchronization. Specifically, this report highlights a collection of new evidence to better characterize the risk and reveals new gaps in this risk.
Document ID
Acquisition Source
Johnson Space Center
Document Type
Evans-Flynn, Erin
(NASA Ames Research Center Moffett Field, CA, United States)
Gregory, Kevin
(NASA Ames Research Center Moffett Field, CA, United States)
Arsintescu, Lucia
(San Jose State Univ. Research Foundation San Jose, CA, United States)
Whitmire, Alexandra
(NASA Johnson Space Center Houston, TX, United States)
Leveton, Lauren B.
(NASA Johnson Space Center Houston, TX, United States)
Vessey, William
(Wyle Integrated Science and Engineering Group Houston, TX, United States)
Date Acquired
September 2, 2015
Publication Date
January 1, 2015
Subject Category
Aerospace Medicine
Report/Patent Number
Distribution Limits
Public Use Permitted.
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