I Semble Vertical Mount Murphy Bed. That is what i call efficient. We used two pax cabinets, one that is 1 m and one that is 50 cm wide.
Vertical murphy bed hardware kits.
Mostly known as a murphy bed or a wall bed, this is an awesome feature for small bedrooms.they let you save space without compromising on comfort. Also, there's a lot more flexibility and the room can be a relaxing oasis at night and an inviting home office or living area the rest of the day. A quick google search should help you understand what a murphy bed is, if you're not familiar with them. The way of locking piston is same as the unlock piston as mentioned above.
