Feng shuiis an ancient practice that ties the spaces we live in with the natural environment around us.
So, you might consider south-facing to be a lucky direction.
It should promote a feeling of safety and relaxation (viaVeryWellMind).

This allows plenty of room for balance among your yin and yang.
Lastly, avoid placing the bed under any sloped ceilings or beams.
These can cause you to feel increased pressure.
