I tend to clip out well in adance of an anticipated stop. You might try that--if you're not already--as it will be one less thing to think about as you actually bring the.bike to a stop. Remembering to clip out in the first place is the most important thing. If you've got that down, then the rest is pretty easy.
Also, force yourself to stop at stop signs. Your first post made me wonder if you are. It'll help you work on restarting the bike, too. Plus, it's the law. 
Good luck.
Live with intention. Walk to the edge. Listen hard. Practice wellness. Play with abandon. Laugh. Choose with no regret. Continue to learn. Appreciate your friends. Do what you love. Live as if this is all there is.
--Mary Anne Radmacher