Express.co.uk spoke to at least one sleep knowledgeable, who instructed that getting out your pyjamas may not be one of the best factor to do. Alison Jones from the mattress model Sealy mentioned “sleeping naked is not the answer”. But why? The matter is up for debate.

She mentioned: “When the heat feels unbearable it is understandable our first port of call is usually to remove layers that feel like they could only be making us hotter.

“However, sleeping naked is not the answer, as sweat can stick to your skin, making you feel uncomfortable and clammy.

“Lightweight, loose-fitting, wide leg pyjamas or a nightie will help to combat sweat, ultimately leaving you cooler and drier throughout the night.”

But it may not be this straightforward. There’s no stable proof that sleeping bare could be dangerous, Doctor Drerup instructed the Cleveland Clinic.

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