1. A global quantification of “normal” sleep schedules using smartphone data by Olivia J. Walch, Amy Cochran, and Daniel B. Forger Science Volume 2(5):e1501705 May 6, 2016 Published by AAAS

2. Fig. 1 Demographics of the surveyed set and validation. Olivia J. Walch et al. Sci Adv 2016;2:e1501705 Published by AAAS

3. Fig. 2 Solar mediation of sleep. Olivia J. Walch et al. Sci Adv 2016;2:e1501705 Published by AAAS

4. Fig. 3 Country effects on sleep duration act through bedtime. Olivia J. Walch et al. Sci Adv 2016;2:e1501705 Published by AAAS

5. Fig. 4 Differential sensitivity to sunrise and sunset across subpopulations and population-level differences. Olivia J. Walch et al. Sci Adv 2016;2:e1501705 Published by AAAS