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Here's how much sleep you have lost since heatwave started and why sleeping with windows open is a BAD idea

Mirror logo Mirror 11/07/2018 Kelly-Ann Mills

a person lying on a bed: The heatwave is stopping people getting a good night's sleep © Provided by Getty Images The heatwave is stopping people getting a good night's sleep This summer's heatwave has collectively cost Britons more than 471 million hours of sleep.

And according to a study, 42% of us have also slept with bedroom windows wide open during the last two weeks.

The study was carried out by a British mattress brand, in a bid to discover more about the UK’s sleeping habits during this unusual stretch of warm temperatures.

The poll found that most people have switched their duvet for something lighter for a more comfortable night’s rest and one in five have slept apart from their partner at least once to try and stay cool.

a boy lying on a bed © Provided by Credits: PhotoAlto www.Ergoflex.co.uk asked a total of 2,133 about their sleep patterns since the June 25 when the heatwave really began.

The overwhelming majority, 88%, of the people taking part in the survey said that they had lost sleep due to the heatwave.

And when asked to estimate how much they had lost since the start of June, the average answer was revealed to be 45 minutes per night, per person; 10 hours and 30 minutes in total.

More than two fifths of the respondents taking part in the poll confessed that they had slept with their bedroom windows wide open for the majority of nights over the past two weeks, posing a risk to home security.

Steve Willis from www.Ergoflex.co.uk said: “As much as we all love the fact that we’re actually getting a proper summer for a change, there’s no hiding the fact that this country just isn’t cut out for lasting hot weather and it’s clear that our sleep suffers badly as a result.

a person lying on a bed © Provided by Credits: E+ “Not getting a good night’s sleep affects everything from your mood to your productivity, and even your appetite, so losing sleep over a sustained period like during the heatwave can be very problematic in our day-to-day lives.

"Switching to a lighter duvet, preparing the bedroom in advance by drawing curtains early, circulating air with a fan, and investing in a mattress that promotes airflow are good starting points for a more comfortable night during warm weather.

"By actively dealing with warmer nights we can get the sleep we need to actually enjoy these sunny days while they’re here, rather than suffering from sleep deprivation.”

Related: A sleep expert explains what happens to your body and brain if you don't get sleep (provided by Business Insider)

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