Interior experts reveal the secret formula for designing a calm and restful bedroom – it's all about the 'rule of three'

A bedroom with grey panelled walls, a wooden bedframe with burgundy and white bedding on top, and a grey and white botanical print wallpaper behind the bed.

Interior experts say that there's a simple trick to creating a bedroom that's both stylish and restful, and it all comes down to the 'rule of three'.

What is the rule of three? It's an interior designer's secret weapon when it comes to creating a beautifully put-together space, and if you're currently pondering bedroom ideas, it's a design hack you'll most definitely want to embrace.