Correct arrangement of bed to door

Bed-to-door is a common way of home layout, but some details need to be paid attention to to to avoid adverse effects. The head of the bed is against the wall and sheltered by the head of the bed. The bed should not be too high or too low, the bed should not be hung with pictures, the bed should be stable, the bed should not be opposite the door, and the bed should have sufficient lighting.