If you can't focus, perhaps you just need a little change of scenery to something more rustic.
Open offices seem to cause more problems than they solve. Noise makes us more stressed, less motivated, and less creative. We're more likely to get sick. Listening to coworkers—even if we think we've tuned them out—can impair memory and even basic math skills. And every time we're interrupted, it takes around 23 minutes to get back to whatever we were doing before.