A sleep expert claims the side of the bed you sleep on says a lot about your personality.

The left or right side of the bed was defined from the perspective of standing at the end of the bed, looking towards the headboard.

A survey finds that those who sleep on the left are thought to be more creative and confident, while those on the right are more logical and analytical.

Those who sleep on the left side were more likely to report traits associated with a more relaxed character type – such as cheerful and imaginative.

Those who slept on the right were more generally negative in attitude. However, they also tended to earn more money.