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Wales Online
Wales Online
National
Dave Owen

Keep windows closed during heatwaves to avoid overheating at night

Met Office MattressNextDay

Shutting your windows during a heatwave is better for keeping you cool at night, according to sleep experts. It may seem counterintuitive but opening your windows can make your home warmer during the night.

The reason is that keeping your windows open all day lets in warm air, which lingers in your house. When it comes to sleeping at night the hot air is trapped inside and can lead to an uncomfortable night.

The advice was provided by experts at MattressNextDay, which have shared a number of tips on how to get a better night's sleep during a heatwave. They include avoiding spicy food and, somewhat counterintuitively, not sleeping with your bedroom windows open.

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