There is a silent war for sleeping with the window open or closed in summer. And science has a winner

When we go to bed during the night, it is normal for a big question to arise: is it better to open the window or keep it closed? To make a decision, we have relied purely on our personal preferences, the fear of mosquitoes, the outside temperature or, in the case of using air conditioning, the electricity bill. However, science points out that it is necessary to keep our bedroom t