Experts are advising on optimal air conditioning settings during heatwaves, particularly for bedrooms at night. They recommend avoiding drastic temperature differences between indoors and outdoors to prevent health issues. Specifically, specialists suggest a comfortable temperature for sleep, though the exact degree wasn’t specified in the text. Proper use of air conditioning is crucial during periods of intense heat. Maintaining a reasonable temperature variation is also key, and the story highlights the importance of understanding how to use climate control systems effectively during exceptionally hot weather. This advice aims to provide guidance for a healthier and more restful sleep during heatwaves.