Nevertheless, Brits maintained their sense of humour despite a rough night's sleep and gave the sweltering night the meme treatment ... shouting: 'It's too hot. It's too b***** hot!

One X/Twitter user shared a hilarious sweating sponge meme, and said: 'Awake early AGAIN as it's 'too hot to sleep!' 'Another day ahead, after weeks of 'is summer EVER going to start?' saying 'I ...

If you've been too hot to sleep, it can help to put your sheets and pillows into the freezer before you head to bed.