do you have a ritual when you study? Perhaps you prepare tea or get our snacks out? Is there a specific time when you study? I light incense and turn on some peaceful music when I study.
How often do you study? Once a day? Thirty minutes or more?
I study both before work, on my afternoon break, and in the evening before bed. Usually I do about 15 minutes in the morning to catch my drills up, then I will have more drills waiting after lunch so I finish those, and at night I try to read at least two or three lessons each evening, to unlock new drills. I alternate between NihongoMaster and WaniKani, and I try to listen to my audio courses while driving around each time I get in the car to go somewhere. So altogether, I am probably studying Japanese between 2-4 hours a day. When I want to rest my brain, I chat on Skype with my Japanese friends from Lang-8, or watch a Jdrama on TV. I believe immersion is the best way to learn a new language, but when you can't actually be in the country for full immersion, this combination is the next best thing.