While in standby a character is effectively unconscious. A character who deliberately goes into Standby can set a timer, and automatically regain consciousness at that time.
At the end of a phase, or when exposed to some extreme stimulus, they may attempt Standby Recovery.

Standby Recovery: Response & Sensors.
Critical Success: Stunned until the end of your turn.
Success: Stunned.
Failure & Critical Failure: Still in Standby.