The Philips Sleep & Wake-up Light HF3654/01 helps you to relax and fall asleep more easily. It has a light-controlled relaxation function. You follow one of the 7 light intensity or sound rhythms with your breathing. You can also choose from 4 relaxing sounds. The alarm mimics a sunset. This prepares your body to fall asleep. In the morning the alarm wakes you in a natural way, by mimicking a sunrise. In the 30 minutes before the alarm goes off, the light slowly turns from soft red to bright yellow. You can set the brightness of the light yourself. You can also choose from 7 alarm sounds or the radio. Or connect your phone for your own music. Via the USB port, you can easily charge your phone.