Inspired by the sunrise in nature, the Philips Wake-up Lights' unique combination of light and sound awakens you in a more natural way. You'll wake up more relaxed and it'll be easier for you to get up. Inspired by the sunrise in nature, the light intensity increases over 30 minutes to a bright yellow light. This slow change stimulates the body to wake you up naturally. Together with the room-filling light, the natural sound you choose supports your waking experience so that you are fit for the day.