Are you making this bedding mistake during the heatwave? This makes hygiene during and after a heatwave incredibly important for your sleep quality and overall health," he adds. (Image credit: Getty Images)And whilst there are some great cooling bed tricks to try, Chris says that investing in good quality cooling bedding is the key here. Ultimately, similar to keeping up with daily cleaning habits, your bedding needs to become a weekly priority when the hot weather hits. Wondering what the best cooling sheets are?