Rest a couple is one of the fundamental questions of mattress industry, as they have to get two people with different morphologies and different sleeping habits get a rest on the same mattress without bothering each other. Therefore, proposals to achieve the maximum break on both sides have been many, and one of the most used for a time was that of twin mattresses, which are still used today, especially at certain hotels. The twin mattresses are only two mattresses in one case with making up the image of a single bed or single mattress, being, however two. In this way every pillowcases for body pillows rests on a mattress and independent movements of a person does not affect the other ensuring the maximum break of the two parties formants of the couple. Moreover, as the two mattresses can be separated at any time and give full autonomy. It also allows the perfect maintenance and conservation of each of the mattresses, as if one of the two deteriorates for any reason, usually by the weight of one partner, you can change the mattress only saving money if the other is in perfect condition. In short, this is a plausible solution to the problem of the rest in pairs, a solution that allows you to rest in two different mattress without losing the intimacy that marriage provides a cushion. . . . .