Valorie J. Wells has an extensive piece in the Huffington Post on strategies folks can use when they find it difficult to relax or use self-hypnosis. See the full article at http://www.huffingtonpost.com/valorie-j-wells-phd/what-to-do-when-selfhypno_b_939753.html. Actually, you might also be interested in the full series by Wells on the use of self-hypnosis.

All the best,
Brian
http://www.briandavidphillips.com