Larger reductions in time spent outside in daylight were linked to deteriorations in wellbeing and delayed sleep. “Our findings suggest that strategies to improve wellbeing under social restrictions should foster more daylight exposure and good sleep,” said lead author Maria Korman, PhD, MSc, of Ariel University, in Israel. Reference: “Outdoor daylight exposure and longer sleep promote wellbeing under COVID-19 mandated restrictions” by Maria Korman, Vadim Tkachev, Cátia Reis, Yoko Komada, Shingo Kitamura, Denis Gubin, Vinod Kumar and Till Roenneberg, 21 September 2021, Journal of Sleep Research.DOI: 10.1111/jsr.13471