A sleeping sensory blanket includes a blanket layer and a plurality of waterproof LED lights attached thereto. The lights are arranged along a strip cable configured for powering the lights. The external pocket of the blanket is sized to accept one end of the strip cable, and a battery-operated controller detachably attached to the strip cable to facilitate its removal and washing of the blanket. The connector between the controller and the strip cable is water-resistant. The controller is configured for timed activation of the plurality of LED lights in a sleeping mode with an LED light brightness at or below a predefined LED light brightness threshold and with at least one predetermined transition from a first light pattern to a second light pattern.