Are you feeling tired, lethargic, and possibly more irritable? The long, sticky nights of our endless heatwaves - we're now enduring our fifth - could be to blame.

Hot nights can make it harder to fall asleep, increase waking during the night and leave people feeling less rested the next day

Are you feeling tired, lethargic, and possibly more irritable? The long, sticky nights of our endless heatwaves - we're now enduring our fifth - could be to blame.