What’s more, alcohol has an impact on your core body temperature. Yes, beer blankets really are a thing. “It is a vasodilator, meaning it makes the blood vessels bigger, so your face gets redder and your heart rate gets faster.

“You experience this as an increase in skin temperature and therefore your brain registers warmth,” says Dr Henderson.

According to Dr Luke Powles, clinical director for Bupa Health Clinics, “In warm weather, this rise in temperature means the body struggles to cool down and can lead to further dehydration and heat exhaustion.”

Concerningly, Dr Powels says that this means our tipsiness might not actually be the booze. “The symptoms of dehydration and heat exposure can often be quite similar to feeling drunk, for example, feeling sick, tired, confused or having trouble with your coordination,” he explains.

“It’s especially important to cool yourself down if you’re experiencing any of these symptoms, otherwise it can lead to heatstroke which needs emergency intervention.”

UK heatwave: this is why you feel more drunk when drinking alcohol in the sun