Bäddmadrass memoryskum - hur länge ska den "lufta" innan man sover på den första gången?

Google säger:
"What happens if I don't let my memory foam air out?The short and simple answer is nothing. Your new mattress may not feel exceptional the first night. As the expansion process continues, it will only get better. Once 24 hours have passed, you should have a new bed with what you will call the best mattress you've ever owned."