This depends on two aspects. Let me give you an example. Please refer to the picture source: Jomec Yachts

The bottom is V-shaped and has an aluminum alloy bottom plate. It can be used as an inflatable bed. The first is that the bottom is unstable, and the second is that the inner bottom is too cold and is not suitable

If it has a flat bottom, an inflatable bottom (brushed air cushion bottom) is suitable and meets your requirements, as shown in the picture