What is the difference between Sleep and Hibernate mode in windows laptop computer

Both sleep and hibernate mode reduce the power consumption.

Figure: Difference between
Sleep & Hibernate Mode

The main difference comes when system/computer loose his power(dis-charge in case laptop),

then in sleep mode all unsaved and open data completely lost but in hibernate mode all the unsaved and open data not lost, it is saved on the disk.

What is the meaning of Hibernate Mode in Windows Computer

Hibernate mode is power saving options in windows.

Figure: Hibernate Mode in W7

Like as sleep mode, Hibernate mode also reduce the light consumption.

When you applied hibernate mode, then it store all unsaved and open data in the RAM. And if the computer lost all his power then all unsaved and open data not lost. It is still saved on the disk.


What is the ideal time to applied hibernate mode in windows computer?

What is the meaning of Sleep Mode in Windows computer

Sleep mode is power saving options in the computer. 

Figure: Sleep Mode in Windows 7

Sleep mode is reduce the light consumption.

When you applied sleep mode, then it store all unsaved and open data in the RAM. And if the computer lost all power then all unsaved  and open data will be lost.

So here you can say that sleep mode is like a volatile memory.

What is the ideal time to applied sleep mode in computer?