With your verbal command and confirmation (a process that requires a standard action), a hibernation system puts you to sleep inside your armor with environmental protections active. The system can be set to awaken you after a certain amount of time or to maintain hibernation until environmental protections fail. While you hibernate, you need no extra food or water, and your environmental protections from the armor with this system installed last four times as long. Someone can awaken you from hibernation from outside your armor only by taking the time and effort to remove your armor.