A wireless night light system for turning on a light remote from an individual in a bed, comprising: a light unit having a wireless receiver , a power source , an electrical connection for transferring power from the power source to the light , and an electronically-operable switch; a mat for placement on a floor adjacent a bed, the mat having an LC circuit having an oscillation frequency dependent on the distance between first and second layers, and a thickness which corresponds to an uncompressed oscillation frequency value; a microcomputer electronically connected to and adapted to monitor the oscillation frequency of the LC circuit , said microcomputer programmed to compare the oscillation frequency to the uncompressed oscillation frequency value, and to determine a weight applied to the mat from the oscillation frequency; a first wireless transmitter for transmission of a first signal adapted for reception by the wireless receiver of the light unit , the first wireless transmitter controlled by the microcomputer ; a second wireless transmitter for transmission of a second signal adapted for reception by a remote receiver, the second signal including information including the value of the weight, the second wireless transmitter controlled by the microcomputer ; wherein the microcomputer instructs the first and second wireless transmitters to transmit the first and second signals on determining that the oscillation frequency differs from the uncompressed oscillation frequency value by a predetermined amount, and wherein on receiving the first signal the switch of the light unit allows power to the light , lighting the light . a light unit having a wireless receiver , a power source , an electrical connection for transferring power from the power source to the light , and an electronically-operable switch; a mat for placement on a floor adjacent a bed, the mat having an LC circuit having an oscillation frequency dependent on the distance between first and second layers, and a thickness which corresponds to an uncompressed oscillation frequency value; a microcomputer electronically connected to and adapted to monitor the oscillation frequency of the LC circuit , said microcomputer programmed to compare the oscillation frequency to the uncompressed oscillation frequency value, and to determine a weight applied to the mat from the oscillation frequency; a first wireless transmitter for transmission of a first signal adapted for reception by the wireless receiver of the light unit , the first wireless transmitter controlled by the microcomputer ; a second wireless transmitter for transmission of a second signal adapted for reception by a remote receiver, the second signal including information including the value of the weight, the second wireless transmitter controlled by the microcomputer ; wherein the microcomputer instructs the first and second wireless transmitters to transmit the first and second signals on determining that the oscillation frequency differs from the uncompressed oscillation frequency value by a predetermined amount, and wherein on receiving the first signal the switch of the light unit allows power to the light , lighting the light . <EOS>