One thing I absolutely MUST have every day is some quiet time to myself. This can range anywhere from 15 minutes to a few hours, but if I don't get that time I seriously start to feel anxious. Since I am a naturally early riser anyway I make sure to get up before anyone else in the house. This usually gives me an hour to be alone. I don't turn on the radio or the TV.
Since starting to work I have found it more difficult to get the time I need into a day, but I find it even more essential. I have made it a point to head into my bedroom about the same time the girls go to theirs to do their nightly reading. On most nights now I spend this time doing my own reading. Some nights, however, I'm just plain exhausted and watch TV instead.