ELECTRONIC SMOKING DEVICE

The present disclosure relates to an electronic smoking device such as an electronic cigarette. In various embodiments, the electronic smoking device comprising: a power supply portion comprising a power supply, an atomizer/liquid reservoir portion comprising a liquid reservoir and an atomizer, the atomizer operable when connected to the power supply to atomize liquid stored in the liquid reservoir, and control electronics, wherein the control electronics are configured to execute a set of computer-readable instructions to place the electronic smoking device in an operation mode, light sleep mode, a low power sleep mode, and a deep sleep mode, wherein the light sleep mode uses less power than the operation mode and the low power sleep mode uses less power than the light sleep mode, and the deep sleep mode uses less power than the light sleep mode.