Under Win OS, a user can specify sleep policy for HDD. e.g. sleep after 240 minutes.
If a user wants to find out the impact of antivirus and other background processes, how many hours did the HDD sleep last night (if it even did), what is the best way to find out?
For example considering external HDD, such as this one: WD Elements external HDD. (e.g., 2 TB)