Daytime light exposure is a strong predictor of seasonal variation in sleep and circadian timing of university students.
Dunster GP, Hua I, Grahe A, Fleischer JG, Panda S, Wright KP, Vetter C, Doherty JH, de la Iglesia HO. Daytime light exposure is a strong predictor of seasonal variation in sleep and circadian timing of university students. J Pineal Res. 2023 Mar; 74(2):e12843.