Important relationships with our mattress explained

Seven years seems to be a critical period of time for relationships, including the one we have with our mattress, writes
We have the most intimate relationship with our bed, where, if we’re lucky, we get to spend one-third of our lives. But it’s the quality of our mattress which mostly determines a restful night’s slumber and this influences whether or not we’re limber in body and in a good mood the next day.