It’s 1am. The duvet’s on the floor, you’ve flipped your pillow to the cool side three times, and you’re still wide awake, wondering why sleep suddenly feels impossible.
Sound familiar? It’s not just you. Heatwave insomnia is a real, well-documented phenomenon. Sleep scientists have found that warmer nights are linked to shorter sleep duration, delayed sleep onset and more frequent waking – and as heatwaves become longer and more frequent, heat-disrupted sleep is increasingly being flagged as a public health issue in its own right.
