It depends on the country and possibly also where in that country. Fairly common in my experience in the Netherlands, Germany, Austria, and Switzerland, and maybe the Scandy countries where you often get two mattresses instead of a single double. I don’t recall ever having seen them in the UK or Ireland, and in France, they’re more of the exception than the rule.
It depends on the country and possibly also where in that country. Fairly common in my experience in the Netherlands, Germany, Austria, and Switzerland, and maybe the Scandy countries where you often get two mattresses instead of a single double. I don’t recall ever having seen them in the UK or Ireland, and in France, they’re more of the exception than the rule.