We conducted a comprehensive literature review summarizing optimal sleep hygiene parameters for lighting, temperature, airflow, humidity, comfort, intermittent and erratic sounds, and privacy and security in the sleep environment. We reviewed the design and use of sleep environments in a wide range of cohorts including among aquanauts, expeditioners, pilots, military personnel and ship operators. We also reviewed the specifications and sleep quality data arising from every NASA spaceflight mission, beginning with Gemini. Finally, we conducted structured interviews with individuals experienced in sleeping in non-traditional spaces including oilrig workers, Navy personnel, astronauts, and expeditioners. We also interviewed the engineers responsible for the design of the sleeping quarters presently deployed on the International Space Station. We found that the optimal sleep environment is cool, dark, quiet, and is perceived as safe and private. There are wide individual differences in the preferred sleep environment; therefore modifiable sleeping compartments are necessary to ensure all crewmembers are able to select personalized configurations for optimal sleep. It is possible to utilize lessons learned from prior spaceflight missions and from other industries in order to guide the design of an optimal sleep space suitable for long-duration spaceflight.


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    Title :

    Sleep Environment Recommendations for Future Spaceflight Vehicles



    Conference:

    Applied Human Factors and Ergonomics Conference ; 2016 ; Orlando, FL, United States


    Publication date :

    2016-07-27


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Sleep Environment Recommendations for Future Spaceflight Vehicles

    Flynn-Evans, Erin E. / Caddick, Zachary A. / Gregory, Kevin | NTRS | 2016


    Sleep Environment Recommendations for Future Spaceflight Vehicles

    Caddick, Zachary A. / Gregory, Kevin / Flynn-Evans, Erin E. | Springer Verlag | 2016



    Sleep Environment Recommendations for Future Spaceflight Vehicles

    Caddick, Zachary A. / Gregory, Kevin / Flynn-Evans, Erin E. | NTRS | 2016