General
4 simple exercises to strengthen your attention and reduce distractibility
http://blog.ed.ted.com/2018/06/18/4-simple-exercises-to-strengthen-your-attention-and-reduce-distractibility/How to Meditate: Dr. Donna Rockwell on Mindfulness Meditation
https://www.youtube.com/watch?v=igpaPVWmCXkMindfulness in Everyday Life: How to Meditate: 18 Tips to Successful Sitting Practice
https://www.huffingtonpost.in/donna-rockwell-psyd/mindfulness-practice_b_4632834.html