A wearable and mobile system for using GPS location signals for performing sleepwalking alarm services and sleepwalking medical monitoring service, said system having a GPS location detector; a recorder which is capable of recording GPS locations diurnally; a signal processor, which is capable of storing signals and comparing stored signals; an external signal generator capable of generating a signal suitable for reception by a person in proximity to the user such as flashing lights, chime or other signal perceivable by a person and capable of generating a signal suitable for reception by an external receptor via radio wave, Bluetooth signal or other machine readable signal; a communication system which is capable of sending and receiving signals to and from the GPS location detector, recorder, signal processor and external signal generator, and software which periodically allows the signal processor to compare a GPS location sent front said GPS location detector to said recorder via said communication system with previously sent GPS locations sent from said GPS location detector to the recorder via the communication system and to activate the external signal generator when the comparison exceeds three feet.