Doctors suggest an hour per day for exercise. That could be spread out throughout the day - you could do 30 minutes in the morning and 30 minutes at night, 20 minutes in the morning and 40 minutes in the afternoon, etc.
Often times we underestimate the amount of sleep we need. 7 hours, although recommended by the mainstream, is not always enough. I recommend 9 hours at least. Stress and boredom...
It may be that the battery on your controller has failed. Many repair shops can replace the battery for you. Or, if you are familiar with electronic repair, you can...