Conducive to the rest of the elderly. The old man's bedroom is in the south or southeast of the house, which is hidden and won't be inconvenient. In addition, it should be noted that you should not be too far away from your family's bedroom or too noisy. This answer is for reference only, don't be superstitious.
Feng shui, as its name implies, includes the equality of wind and water. Guo Pu, the originator of geomantic omen, once said: Qi rides the wind to disperse, and the boundary water stops. The ancients gathered together to make it last for a long time, so it was called Feng Shui.