Cancer Survivorship: Insomnia and Sleep Disturbance

By Barrie Cassileth, MS, PhD

Many cancer patients face sleep problems, such as difficulty fall­ing asleep, frequent nighttime waking, rising too early in the morning, or excessive sleeping during the day. Such symptoms may occur in more than 70 percent of people with can­cer. Stress and anxiety about one’s diagnosis, side effects of treatment, and many other factors can con­tribute. Moreover, poor sleep may contribute to other symptoms, such as fatigue or mood disturbances. Various medications for sleep work quickly and effectively, but they have their own side effects, includ­ing the risk of dependence.

On the other hand, complemen­tary approaches, such as relax­ation and tai chi, take more time to learn but may lead to longer-term improvements in sleep quality. Although research on complemen­tary therapies for insomnia and other forms of sleep disturbance specifically in cancer patients is rela­tively limited, studies of sleep issues in the general population show that complementary therapies—partic­ularly mind-body approaches—may be helpful, and these results are likely applicable to people with cancer.

Managing Sleep Problems with Mind-Body Therapies

Particularly because of the role that stress, anxiety, and other men­tal factors play in sleep issues, it is not surprising that complemen­tary mind-body therapies may be of value. An analysis that pooled data from 59 studies, for example, found that psychological treatment averaging five hours of therapy meaningfully improved patients’ ability to fall asleep faster and stay asleep longer. Moreover, the ben­efits lasted for at least six months. Other studies support those positive results.

A National Institutes of Health consensus panel concluded that complementary techniques, partic­ularly relaxation and biofeedback, improve some aspects of sleep. The magnitude of the improvements is somewhat less clear.1

Tai chi, a slow-moving, medita­tive form of exercise, may also ben­efit those with trouble sleeping. In one small randomized trial of older adults with moderate sleep com­plaints, subjects received either 16 weeks of tai chi classes or a general health education program. Those who practiced tai chi experienced a significant increase in sleep quality compared with their counterparts who took health education. Spe­cifically, measures of sleep qual­ity, efficiency, and duration were improved.3

In general, mind-body therapies are an appealing approach for var­ious cancer symptoms because they are inexpensive, can be used along with medicines or other conven­tional approaches, can be practiced on one’s own after initial training, have virtually no side effects, and are safe.

Managing Sleep Problems with Exercise

Besides helping decrease fatigue, boost physical fitness, and even lower the risk of cancer recurrence, general physical activity has been shown to improve sleep. One clini­cal trial conducted in Taiwan found that an eight-week, home-based walking program significantly improved sleep quality in cancer patients. Additionally, patients who exercised experienced reduced levels of pain and improved quality of life.

Another trial of breast and prostate cancer patients receiv­ing radiation treatment had simi­lar results. After taking part in a four-week, home-based exercise program, patients reported greater sleep improvements than did those who did not exercise. In a sepa­rate clinical trial of breast cancer patients receiving hormonal treat­ment, women who participated in a walking program 20 minutes per day, four days per week, reported improved sleep quality within four weeks of starting the program.3

The list of favorable studies goes on and on. Given the well-known and evidence-based benefits of exercise for so many conditions, it’s a no-brainer. Whether it’s jogging, swimming, walking, or even gar­dening, you’ll benefit from being as active as your condition allows.


References
1. Integration of Behavioral and Relaxation Approaches into the Treatment of Chronic Pain and Insomnia. National Institutes of Health Tech­nology Assessment Conference Statement. Avail­able at: https://consensus.nih.gov/1995/1995be­haviorrelaxpaininsomniata017html .htm. Accessed July 25, 2016.
2. Irwin MR, Olmstead R, Motivala SJ. Improv­ing sleep quality in older adults with moderate sleep complaints: A randomized controlled trial of tai chi chih. Sleep. 2008;31(7):1001–8. doi: PMC2491506.
3. Rogers LQ, Hopkins-Price P, Vicari S, et al. Physical activity and health outcomes three months after completing a physical activity behavior change intervention: Persistent and delayed effects. Cancer Epidemiology, Biomark­ers and Prevention. 2009;18(5):1410-8. doi: 10.1158/1055-9965.EPI-08-1045.


Barrie R. Cassileth, MS, PhD, is Laur­ance S. Rockefeller chair and chief of the Integrative Med­icine Department at Memorial Sloan Kettering Cancer Center (MSKCC) in New York City. She has an extensive medical leadership career and is a recognized authority on comple­mentary therapies and integrative medicine in oncology. Her work includes more than 170 publica­tions in medical literature, more than 40 medical textbook chap­ters, and 22 books for physicians, patients, and families. She was a founding member of the Advisory Council to the US National Insti­tutes of Health Office of Alterna­tive Medicine, now the National Center for Complementary and Alternative Medicine; she previ­ously served on the National and NY-NJ Regional Boards of the American Cancer Society and on multiple national and interna­tional committees. She is a staunch opponent of cancer quackery. She is founding president of the Soci­ety for Integrative Oncology. Since joining MSKCC in 1999, Dr. Cas­sileth has established prototypic research, education, and clinical programs in integrative medicine. Her most recent book, Survivor­ship: Living Well during and after Cancer, an evidence-based guide for patients and families, was pub­lished in April 2014 by Spry.


Excerpted with permission from Survivorship: Living Well during and after Cancer (Spry Publishing, 2014; $16.95) by Barrie Cassileth, PhD. © Copyright 2014 Spry Publishing. Available for purchase everywhere books are sold.