Today's sketch definitely fit that bill. I learned that
a) I can't expect a good result when I'm half asleep
b) using a lot of different colored pens for the line drawing does not suit me - I don't like the look of it
c) I can try and save a sketch by using watercolor and even colored pencils on top, but it will only get me so far...
I guess I really need a good idea for what to sketch next - let me know by commenting here or on Facebook at facebook.com/regulascheifeleart.