The Philips SmartSleep Wake-Up Light allows you to personalize your sleep and wake-up experience through sunset and sunrise simulation. Unlike a traditional alarm clock, it is designed to wake you in a more natural way, using a unique combination of light and sound. Developed with Philips’ clinical Sleep & Respironics healthcare knowledge and 30 years of leadership in sleep. Join the 92% of users who found it easier to get out of bed.***** Footnotes *Giménez, M. C., Hessels, M., van de Werken, M., de Vries, B., Beersma, D. G. M., & Gordijn, M. C. M. (2010). Effect of artificial dawn on subjective ratings of sleep inertia and dim light melatonin onset. Chronobiology International, 27(6), 1219–1241. Werken MV, Gimenez MC, Vries BD, Beersma DG, EJ Van Someren, Gordijn MC (2010). Effects of artifical dawn on sleep inertia, skin temperature and the awakening cortisol response. Journal of Sleep Research, 19(3), 425-435. Gabel, V., Maire, M., Reichert, C. F., Chellappa, S. L., Schmidt, C., Hommes, V., et al. (2013). Effects of Artificial Dawn and Morning Blue Light on Daytime Cognitive Performance, Well-­?being, Cortisol and Melatonin Levels. Chronobiology International, 1–10. **Philips WUL Claims Report US Physicians Recontact 071620 N=16, pages 6, 13 ***Giménez, M. C., Hessels, M., van de Werken, M., de Vries, B., Beersma, D. G. M., & Gordijn, M. C. M. (2010). Effect of artificial dawn on subjective ratings of sleep inertia and dim light melatonin onset. Chronobiology International, 27(6), 1219–1241. doi:10.3109/07420528.2010.496912 Werken MV, Gimenez MC, Vries BD, Beersma DG, EJ Van Someren, Gordijn MC (2010). Effects of artifical dawn on sleep inertia, skin temperature and the awakening cortisol response. Journal of Sleep Research, 19(3), 425-435. Norden, M.J., & Avery, D.H. (1993). A controlled study of dawn simulation in subsyndromal winter depression. Acta Psychiatrica Scandinavica ******Metrixlab 2011, N=209 users 1Metrixlab N=109.