Opting out of pyjamas will cool down your body's temperature, which will not only help you get a better sleep on a hot night, but will regulate your skin's temperature to stop you waking up throughout the night.
It's also said that snoozing without clothes on is more comfortable and will stop you getting irritated when it's balmy.
What's more, a cooler body temperature can increase your metabolism and help you burn calories while you sleep, as well as stop you getting a yeast infection by limiting the warm, moist areas for bacteria to grow.
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