Here's exactly when to swap to your winter duvet, according to an expert

A young couple place frozen bed sheets on their mattress during the summer to help them sleep cooler.

With spring just around the corner, many of us in the UK are thinking about refreshing our sleep setup. But while warmer, brighter days are (hopefully) on the horizon, you might want to hold back on transitioning your best mattress to its summer bedding. 

James Higgins, CEO of Ethical Bedding, suggests that while the days might be getting warmer, cold nights mean it's worth sticking with your thicker duvet until 9th May. “Monitoring trends of temperatures at midnight in spring for the last five years," he says, "we observed a significant temperature increase happening in the second week of May."