Biomathematical models hold promise as technological tools that can be used in concert with other tools and strategies to manage fatigue risks in operational settings. A number of biomathematical models have been developed to predict performance impairment stemming from acute and chronic sleep loss, circadian desynchronization, and sleep inertia.
Dr. Erin Flynn-Evans and colleagues will evaluate four candidate models that deserve consideration for future transition to spaceflight operations. The models include the Harvard Circadian Performance Simulation Software, another developed by McCauley and Washington State University, the unified model from BHSAI, and the commercially-available SAFTE FAST model. While the models are based on similar physiological principles, each offers unique attributes that may lend itself to spaceflight application.