Barracks in Osiris: New Dawn is a living structure where the player can build personal interior items like a bed and shower. For now, the player is allowed to craft four types of furniture inside the Barracks and they are:

Bed: Used to save your progress and also replenish a bit of health.
Computer Desk: Used to save information lists of unlocked crafting recipes and upgrade trees.
Couch: Used to unwind and replenish your Vitals.
Shower: Used to wash and relax to replenish vitals and remove toxins.