4. Ergonomics: Another benefit of gas springs is ergonomics. They are more ergonomic than traditional springs. They produce a smooth action when exposed to a compressive force. The piston of a gas spring will simply retract into the cylinder. With this smooth action, gas springs are ergonomic. You can even find them used with certain types of furniture, including office chairs, because of their ergonomic designhttp://www.liftgasspring.com/bed-lift-mechanism/