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With the weather we're experiencing at the moment, there's not much helping at night time. You might have tried replacing your duvet with a thin sheet or replacing your pyjamas with... well, nothing. But we may have a game changer.
Have you got a fan? What about a window? A fan that will reach to the windowsill? Watch and learn below:
Yep, the trick is very simple, almost too good to be true, and it makes more sense than stuffing your duvet into the freezer - how big are these freezers?
All it involves is spinning your fan around 180 degrees to face into an open window.
So the fan should face outwards and shouldn't be blowing directly at you. The idea is championed by New Zealand-based eco-design adviser Nelson Lebo, who apparently became aware of the trick when his grandmother would do it in the 1970s.
He explained: "Everyone knows about cross-ventilation, but it only works when the wind is blowing and then it works best when there is a direct route for the wind to blow through a home.
"What the fan does is, it forces cross ventilation, even when the wind is not blowing. A fan will also pull air around corners, as in our home.
"The overall goal is to pull the warm air out while drawing cool air in once the outdoor temperature drops below the indoor temperature. Fans use hardly any power compared to AC."
Let's face it, having your fan facing outwards could actually help with the slight problem of dry eyes as well as drying out your throat and nose.
As the Sleep Advisor website explains: "The constant stream of air also has a tendency to dry out your nasal passages, which could affect your sinuses.
"If the dryness is particularly extreme, it can result in your body producing excess mucus to try to compensate. Then, you're more susceptible to blockage, stuffiness, and sinus headaches."
The website continues: "People who sleep with a breeze directly on them may wake up with stiff or sore muscles. This is because the concentrated cool air can make muscles tense up and cramp.
"This problem is especially common for people who sleep with it near their face and neck. If you've been waking up with a stiff neck in the morning, it might be because of the constant breeze."
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