In Sleep mode, all unnecessary devices of your VAIO computer are turned off, though some
devices stay turned on to retain the computer’s state including data you are working on.
Sleep mode is useful when you take a short rest, for example.

Using Hibernate Mode

In Hibernate mode, the current state of your VAIO computer is saved to the built-in storage
device, and then the computer is turned off. Hibernate mode is useful when you do not
intend to use the computer for an extended period of time.

Notes on Sleep Mode

Read the following precautions before using Sleep mode.

Selecting a Power Plan

Power management helps you set up power plans to suit your requirements for power
consumption.

You might be looking for the following topics:

Installing/Removing the Battery Pack
Charging the Battery Pack
Extending the Battery Life
Charge Indicator Status List
About Power Saving Mode