I just went through a dry spell as far as practicing goes. I just couldn't get motivated to get in gear and pick up an instrument. I've read lots of good advice online on how to practice, but nothing on how to discipline myself to actually DO it.
I found some inspiration on some forums. I signed up for a forum for each of my instruments. I check in every morning and have found all sorts of encouragement and good advice.
For one thing, I've tried to set up a schedule for practicing, but my days are not all the same. If I miss my practice time, it throws me into a quandary and I end up doing nothing. So, now I'm going to try to set up my schedule each morning as I have my coffee.
It's interesting to see what other players are working on. I've gotten some great tips and ideas that I want to work on. Nothing is more deadening than to play the same scales day after day. Not that I mind scales, but I need a focus. One person said he only practices the scales that are used in a song he's working on.
I've found some backing tracks for bass scales to help me with intonation. My sister sent me a web site that has backing tracks for bluegrass music. There's so much out there , I should never run out of new things to try.