A feedback-type sleep wake-up system and a method thereof are provided. The feedback-type sleep wake-up system includes a wearable device, a smart mobile communication device and a bedside lighting device. The wearable device includes a wrist motion meter and a heart rate monitoring unit, and generates a wrist motion signal and a heart rate signal. The smart mobile communication device generates a plurality of control signals corresponding to a non-rapid eye movement period, a rapid eye movement period, a wake state and a heart rate condition. The smart mobile communication device adjusts a volume of a ring according to each the control signal. The bedside lighting device adjusts a brightness of a illumination according to each the control signal.本發明係揭露一種回饋式睡眠喚醒系統及其方法。回饋式睡眠喚醒系統包含穿戴裝置、智慧型行動通訊裝置及床頭照明裝置。穿戴裝置具有腕動計及心率監視單元且產生腕動訊號及心率訊號。智慧型行動通訊裝置對應非快速動眼期、快速動眼期、覺醒狀態及心率狀況產生複數個控制訊號，智慧型行動通訊裝置依據各控制訊號調整響鈴之音量。床頭照明裝置依據各控制訊號調整照明之亮度。
