Sleeping with the bedroom door closed has been ingrained in us from childhood, shutting doors for peace and quiet (and, back then, for piece of mind, to shut the monsters out). But it turns out that leaving the door open could have some surprising health benefits.
It may seem unnatural at first, but opening the door even a little bit could help you to sleep better, and keep your bedroom environment more hygienic according to sleep experts. It is certainly one of the simplest ways to improve sleep that we have come across.
