‘Sleep is key to curing chronic pain’, http://www2.warwick.ac.uk/newsandevents/pressreleases/sleep_is_key, University of Warwick (21st September 2016).

Manage sleeplessness

Researchers (…) have demonstrated that conditions like back pain, fibromyalgia, and arthritis are directly linked with negative thoughts about insomnia and pain. (…) The way how we think about sleep and its interaction with pain can influence the way how we cope with pain and manage sleeplessness.