Since then, the couple has welcomed two more children, ages 4 and 3, and they have continued their tradition of all sleeping in one bed. The bed is made by combining two queen-sized mattresses.

The conversion mechanism is easy to manage with one person — I set it up in less than a minute, cushion removal included. In its sofa form, you’d never guess that there’s a bed inside.

Here’s how it works. Mattresses in a box have made it easier than ever for sleepers to find a bed just right for your sleep style. Boxed beds have been flattened and rolled but once they’re ...

Sign up now for the latest news from Australia and around the world direct to your inbox.