An electronic device and a power control method of an electronic device are provided. The electronic device may include: a communication circuit including a first circuit configured to perform first communication and a second circuit configured to perform second communication; a processor electrically connected to the communication circuit; and a memory electrically connected to the processor, wherein, the memory stores instructions that, when executed, cause the processor to perform operations comprising: controlling the first circuit to operate according to a first power control mode associated with the first communication, and controlling the second circuit to operate according to a second power control mode associated with the second communication when the first communication and the second communication are concurrently performed through the first circuit and the second circuit; identifying a first sleep period during which the first circuit operates in a sleep mode according to the first power control mode, and a second sleep period during which the second circuit operates in the sleep mode according to the second power control mode; and controlling the communication circuit to operate in a deep sleep mode in which the communication circuit operates with power that is less than or equal to a predetermined power in a period where the first sleep period and the second sleep period coincide.