By American Psychiatric Association — 2020
Sleep disorders (or sleep-wake disorders) involve problems with the quality, timing, and amount of sleep, which result in daytime distress and impairment in functioning.
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A study looking at the data of thousands of participants suggests that there may be a link between severe sleep apnea and the likelihood of developing cancer. However, this link appears to be stronger in women.
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.
Getting enough sleep is important for overall health and may be related to cancer risk.
People with cancer sometimes have an increased risk for sleep problems because of treatment effects and other factors. It's important to know why sleep problems can happen, what can be done to help manage them, and when to ask for help.
Roughly half of patients with cancer have symptoms of insomnia, and many may have sleep problems that linger for at least a year, a small study suggests. The most common malignancies were breast cancer, tumors of the prostate or testicles, and colorectal cancer.
As knowledge has grown about sleep’s integral role in overall health, many sleep scientists have turned their attention to how sleep and cancer are connected.
You would think the country is in the grip of an insomnia epidemic given the rising popularity of sleep drugs. Over the last five years, the use of hypnotics has increased by an astonishing 60 percent, according to IMS Health, a research company.