Scientifically speaking, when people sleep, their subconscious activities are not obvious, but their consciousness is more active, and the way of accepting food around them is different from that when they wake up. Easy to be afraid and uneasy. The longer the time, the more uneasy and unstable the nervous system will become.
From the perspective of geomantic omen, putting these things in the bedroom will affect the owner's fortune and encounter many unimpeded things.
For your reference