Experts warn why sleeping with a fan on all night during a heatwave is not always a good idea It may not be the best thing for your overall health The video will auto-play soon8Cancel Play now GET THE BIGGEST STORIES FROM ACROSS SOMERSET STRAIGHT TO YOUR INBOXInvalid EmailSomething went wrong, please try again later. SIGN UP We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time.More info Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice