Hobbit Holes work because they're efficient to build. They're relatively resource friendly and depending how big your underground area is, you can expand it pretty much endlessly.
Not to mention there is a whole different creative level when building Hobbit Holes. Making them look good challenges the creative mind. If you're stuck on ideas and need inspiration for your builds, we recommend building Hobbit Holes in your own lets play series. Play around with different block combinations and see what works best for you. What works best for you, won't always work best for others.
Designing a lavish bedroom in your gameplay, is easier than you think. In the image below, you will notice that the Stone Brick is not over powering. By over powering, we mean that the majority of the build is not made of Stone Brick. You don't want massive amounts of one thing in your build. Keep that in mind when building your Hobbit Holes and they'll do you wonders. It's all start feeling like home and you can always escape to the surface for some fresh air when ever you want.