It's okay to indulge in a little escapism, but too much of that will turn your mind into mush. Your mind is just like an engine, if you don't use it - you lose it. Parts of it will get rusty and gears won't turn. And, whether you know it or not, being camped out in front of the tube night after night does affect you. Your creativity goes down.
Problem solving is more of a problem.
And, your ability to simply think gets slower. Here are seven easy steps to get your mind kick started. They aren't the only things you can do, but they are a good start. It could be Napoleon Hill's classic, Think and Grow Rich or Anne Frank's Diary . The point is to learn from the masters.