Answers:
Since you did not specify a faddy disorder it is easier said than done to answer this examine. For more information on this merely type within "sleep disorders" into Yahoo! pattern scrabble and several links comes up. Wikipedia have a well-mannered summary of disorders and treatments.
he same consideration applies for relaxation psychoanalysis. Just type within "relaxation therapy" into Yahoo! trellis turn upside down and you will find a affluence of information.
Good luck, well-mannered form, peace and love!