WinSleep by MollieSoft is a Windows utility that keeps your computer asleep when it's not busy; a timeline shows when your computer was asleep or awake over the last several days. It is compatible with Windows 7, Windows 8.1 or Windows 10. More info is available at www.molliesoft.com/WinSleep, including screenshots and a download link for the 30-day free trial. A permanent license for WinSleep costs $9.95.