A bedroom map is useful when it records dimensions and practical conditions instead of treating a bagua overlay as the floor plan itself.
Quick answer
Mark the bed, doors, windows, heating, outlets, storage, and clear routes first; add a labelled symbolic map only afterward.
Draw an accurate base plan
Include door swings, sill height, wardrobes, alcoves, and awkward corners. A map that omits fixed features can recommend a position that is impossible or unsafe.
Separate sleep evidence from symbolism
Note noise, light, drafts, privacy, mattress access, and night-time movement. These observations explain comfort more directly than a sector label.
Name the mapping method
Compass and entrance-aligned bagua methods are different. If you use either, state the method and avoid rotating the map simply to obtain a preferred reading.
Boundary: Feng shui is a cultural and design perspective. It cannot guarantee health, wealth, relationships, safety, or other outcomes. Use qualified professional advice for building, electrical, plumbing, fire-safety, accessibility, horticultural, or medical questions.