If you do not like Japanese style design, surely there are some elements which you could take some of the ideas to get comfortable and calming bedroom interior design. Usually, Zen bedroom has specific features of Zen bedroom furniture like platform beds, mats with bamboo woven, and plant in the corner of the bedroom. Zen bedroom really focuses on symmetry, black color, and natural material.
Modern Zen bedroom does not much play around in detail and ornament. One most important thing which is clearly in this modern Zen bedroom is very simple bed yet elegant for Zen bedroom furniture. The bedspread also usually is in neutral color and combined with thick rug which covers the entire floor of the bedroom. This thing would give warm impression though thick rug is actually not a part of Zen design.
Other Zen bedroom furniture is partition in square shapes. However, due to the partition material is made of wood, thus this does not give stiff impression but warm impression. This Zen bedroom is also combined with traditional style which produces comfortable bedroom and at once symmetric.
As you might understand before that this Zen bedroom shows more in the simplicity yet does not mean in plain. There are some ornaments like lighting, painting, vase which could be adopted becoming unification in this Zen interior design.
If you do not like Zen interior design yet you want to have calm impression, you could be able to combine it with your favorite style. For instance is you do not have to use supporting elements from Zen interior design yet you could mix and match the arrangement and the color scheme which is black and white. The result is bedroom which gives privacy, comfort, and unique.