‘Burping’ your bedroom before bed is key to sleeping deeper and for longer, experts say — here’s why

Sleeping with your bedroom door closed and no windows open creates a carbon dioxide bubble ...
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Experts Settle The Debate On Sleeping With The Door Open — And The Verdict Is Clear

a black door opens into a bedroom - Soho A Studio/Shutterstock Should you sleep with your bedroom door open or closed? Everyone has their own preference, but experts actually advise you to keep it ...