Turning the heating off overnight while you sleep is better for health than leaving it on, a doctor has suggested.
Dr Karan Rajan spoke out as temperatures plunge nationwide, prompting households to crank up their heating, reports Birmingham Live.
He explained: "Not only does melatonin increase sleep propensity, it's also a hormone that promotes anti ageing.
"It reduces oxidative stress damage and the levels of cortisol, it reduces systemic inflammation and it's free."
"Our body's core temperature needs to drop to initiate sleep.
"So a cooler temperature gets you closer to the target sleep temperature of your body, so you fall asleep a lot faster.
"Warmer temperatures means your brain and body are more active trying to cool you down.
"This increased brain activity limits the amount of REM and slow wave sleep your body needs to recharge".
"There is research to suggest that cold exposure can increase the amount of brown fat produced by stem cells.
"Brown fat helps to regulate cholesterol, blood glucose and improves insulin sensitivity".
Follow Dr Rajan on Tiktok here.
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