Internet of Things (IoT) based communications are expected to be energy efficient. This is because IoT devices are mostly battery operated and frequent replacement of batteries is not desirable. From this perspective, energy efficient IoT communications have drawn much attention, which is a key area of future IoT communications. Wi-Fi technology has continuously evolved from its legacy standards through high speed communications of IEEE 802.11ac also known as Wi-Fi5 and nowadays IEEE 802.11ax known as Wi-Fi6. Such Wi-Fi technologies have also proved their suitability for heterogeneous communications, an important requirement of future wireless communications. In this paper, we have addressed the key roles to be played by IEEE 802.11 WLAN technology in implementing IoT-enabled Wi-Fi communications from the perspective of energy efficiency. In particular, we are interested in investigating the Wi-Fi6 technology for addressing Wi-Fi-enabled IoT communications. Incorporating Wi-Fi chips into IoT devices can lead to a significant increase in power consumption. Therefore, we review the possible solution for this issue. Wi-Fi technology, with its high data rate standard like 802.11ac, has opened multiple opportunities for future wireless communications but became restricted for IoT communications due to its higher energy consumption when applied to battery operated IoT devices. Therefore, we have explored the power management perspective for Wi-Fi-enabled IoT communications. We have presented some simulation studies for the insight analysis of the issue. We validate our proposed model by considering varying traffic load, varying data rate, and varying number of IoT devices.