Systems and methods for reducing the emission of radiation by wireless headsets during sleep mode are provided. One system comprises a mobile device and a wireless headset. The mobile device includes a transmission module for transmitting data or voice signals over a microwave frequency band. The wireless headset comprises a transceiver that enables the wireless headset to wirelessly communicate with the mobile device during a time when the mobile device and wireless headset are linked within a personal area network (PAN). The wireless headset is configured to receive instructions from the mobile device to enter a sleep mode, wherein the transceiver is turned off during the sleep mode.