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Mission statement header
The mission of the Fatigue Countermeasures Lab is two-fold:

1) to provide a better understanding of sleep-related issues as they affect human performance and safety;

2) to develop countermeasures to improve safety, performance, and aid in overall mission success.
News header
9/11/2023- NASA Psychomotor Vigilance Test (PVT) Integrated into International Space Station Systems by European Space Agency (ESA). To read more about this award and the paper, please click here.

5/26/2023- Cassie Hilditch receives the 2023 William E. Collins Award for her paper on pilot fatigue during COVID-19. To read more about this award and the paper, please click here.

Summer Internships header
The Fatigue Countermeasures Laboratory provides an opportunity for undergraduate students to engage in a variety of research projects. Summer internships last 10-12 weeks beginning in June and ending in August.

> Summer Internship Program Information

> See what our current/past interns have accomplished
Fatigue Countermeasure Laboratory Image Collage
  Factsheets Header
Fatigue in Commercial Aviation image. Click to go to the Fatigue in Commercial Aviation page We are conducting a study to evaluate roster design and fatigue in short-haul commercial aviation
Image of a Human wireframe. Click to go to the Validation of Model Predictions page We are evaluating bio-mathematical models that were designed to predict alertness and performance in order to determine how well such models perform when compared to actual performance in a variety of scenarios.
Image of the NASA HERA Analog Mission. Click to go to the Evaluation of bio-mathematical models page We are conducting a study in the Human Exploration Research Analog (HERA), which is an isolated and confined habitat located at Johnson Space Center.
 
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 Fatigue Countermeasures Laboratory Overview Header
The Fatigue Countermeasures Laboratory at NASA Ames Research Center studies the relationship between sleep loss, circadian desynchrony, cognitive function, and alertness. Performance detriments have been shown to occur in response to circadian desynchrony (being out of sync with one's internal clock), acute sleep loss (insufficient sleep over a short period of time), chronic sleep loss (insufficient sleep over a long period of time), and sleep inertia (grogginess following sleep).

Countermeasures for these effects improve safety, performance, and aid in the overall success of a mission's goal. The primary population of interest is aviation pilots and astronauts, however the Fatigue Countermeasures Laboratory lends its expertise to diverse populations.
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Curator: Phil So
NASA Official: Erin Flynn-Evans
Last Updated: May 17, 2023