However, when you touch mouse or keyboard, the system awake and your all work return to the state in which you have left it.
And when you come back you will see your system is in low power state or sleep mode which appeared like the system is in shutdown state. Many times you leave your system as it when you have gone for a lunch break. How does Sleep mode work? Sometimes, when you leave your system ideal for a particular period of time it automatically goes into sleep mode to save the power.
The two features Sleep mode and Hibernation present in all Windows version whether it is Windows 10, 8, 7 or XP both are really very helpful to save the power and work.
