.../ . Extraversion personality open data connection loneliness COVID-19 Participants completed a newly developed 10-item measure assessing mental and physical fatigue in the present moment, with items such as “I am lacking in energy” and “I am fatigued right now” (1 = not at all , 6 = extremely...

...David A. Sbarra Objective: Low levels of perceived social integration, or loneliness, are associated with increased risk for a range of poor health outcomes. Sleep disturbance plays a central role in the evolutionary theory of loneliness, which provides a mechanistic account of how low levels...