Circadian Entrainment to the Natural Light-Dark Cycle across Seasons and the Weekend

Ellen R. Stothard, Andrew W. McHill, Christopher M. Depner, Brian R. Birks, Thomas M. Moehlman, Hannah K. Ritchie, Jacob R. Guzzetti, Evan D. Chinoy, Monique K. LeBourgeois, John Axelsson, Kenneth P. Wright