- Social connectedness, sleep, and physical activity associated with better mental health among youth during the COVID-19 pandemic. More screen time activities, including social media , as well as witnessing racism in relation to the coronavirus, emerged as important predictors for negative affect. https://www.nih.gov/news-events/news-releases/social-connectedness-sleep-physical-activity-associated-better-mental-health-among-youth-during-covid-19-pandemic 7 comments science