An illumination device with wake-up and/or fall-asleep functionality is disclosed. The illumination devices comprises at least one controllable light source； a control device for controlling the light source, wherein in a STEADY mode, color and intensity of the output light are maintained constant at a steady colour value and a steady intensity value and in and a WAKE-UP mode, the intensity of the output light is gradually increased from zero to the steady intensity value and in a FALL-ASLEEP mode, the intensity of the output light is gradually decreased from the steady intensity value to zero.
