This is typically achieved through software that puts the hardware into the lowest power demand state available, making it an aspect of green computing.
Operational testing has shown that on any given day an average of over 50% of an organization's computers will fail to go to sleep, and over long periods of time this affects over 90% of machines.
[3] Apple's macOS includes idle and sleep configuration settings through the Energy Saver System Preferences applet.
[5] There is a significant market in third-party PC power management software offering features beyond those present in the Windows operating system.
[12][13] The following tables compare technical information for a commercial PC Power Management software suites.