This might be a little awkward advice, but when I was at my worst sickness I had good motivation when listening to the chapter Job.
Here is a link to a free audio book
www.archive.org/download//bible_kjv_18_job_version_2_1507_librivox/bible_kjv_18_job_version_2_1507_librivox_64kb_mp3.zip/librivox.org/bible-kjv-18-job-version-2-by-king-james-version-kjv/Maybe worth a shot...