

In France, standard bed sizes range from 90x190 cm for a single bed to 200x200 cm for larger beds. The most common sizes are 140x190 cm (standard), 160x200 cm (queen size), and 180x200 cm (king size).
Yes, but there will still be a 10 cm gap along its length. This can be an aesthetic or structural issue; it's best to stick to the dimensions of the bed base.
In France, the standard size of a mattress for a couple is 140x190 cm . For a single person, it is generally 90x190 cm .
The standard size is 140x190 cm , but the 160x200 cm (queen size) is considered the ideal size for couples thanks to better sleeping independence.
On average every 8 to 10 years , or sooner if you experience pain, hollows or a loss of comfort.
There's no one-size-fits-all answer. For a single person, a 90x200 cm bed offers a good compromise. For a couple, a 160x200 cm (queen size) is often the most popular. If your space allows, a 180x200 cm (king size) provides maximum comfort.
How to choose a double mattress when you have a weight difference? Sleeping independence explained simply
CertiPUR-US: explanations and advantages