Asus N550JV E-Manual page 78

System in Sleep
This option allows you to enable or disable either of the following sleep
modes:
Instant On
This mode is default-enabled in your Notebook PC. It allows the system
to return to its last working state even after your Notebook PC has
entered into sleep mode.
8
Move this slider to switch between
Instant On or Long Standby Time.
Notebook PC E-Manual