Fitbit - One NASA study found that pilots who took naps for 26 minutes experienced a 54% improvement in their alertness compared to pilots who didn't catch any midday shut-eye. #napsthatslap | Facebook
Fitbit reveals new Sense 2 and Versa 4 smartwatches, plus Inspire 3 fitness tracker | Mashable
Astronauts are Using Fitbit for COVID-19 Risk Mitigation | mddionline.com
Fitbit Charge 2: Australian Review
NASA to equip astronauts with Fitbit to protect them from COVID-19 - ITP.net