Most people have a go-to sleeping position they slip into every night, and researchers are trying to work out if that says something about who we are.

They admit there’s a lot more work to do to “convincingly explain the logic behind the connection”, but there are whispers of patterns in the data they’ve got so far.

The Sleep Foundation suggests: “Despite the lack of rigorous research on sleep position and personality, contemplating your preferred positions could still be interesting and…