Sleep Disorders in Chronic Fatigue Syndrome
Brian Carlin, a pulmonologist and sleep medicine specialist at Allegheny General Hospital in Pittsburgh, who was not involved in the study, called the rates of sleep problems among the soldiers “inordinately high.” Insomnia among head-injury victims was not a surprise, Carlin said, but sleep apnea is. “Almost half of the soldiers who had blunt trauma had sleep apnea. In a presumably healthy and relatively fit population (similar to the soldiers), the rate of sleep apnea is probably four percent to five percent,” Carlin said. “You just wonder now what is the relationship between trauma to the head and sleep disorders.” Collen told Reuters Health that military and civilian doctors treating recent veterans should keep an eye out for sleep disorders, which can have long-term consequences to health. “These are durable diseases.
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Sleep Disorders: Insomnia
Certain physiological abnormalities can also contribute, directly or indirectly, to sleep problems, such as abnormalities in major body systems (brain, nervous system, cardiovascular system, immune system). Not all Sleep Problems Develop into Disorders Stress is the number one cause of short-term sleep issues, and many sleep issues will dissipate when the stress levels return to normal. Alcohol or caffeine consumption in the afternoon or evening can affect sleep patterns and contribute to overall sleep disturbances, as can exercise close to bedtime and irregular sleep/wake schedules. Travel across multiple time zones can result in temporary sleep difficulties known as jet lag, which should subside as the individual adjusts to their knew time zone.
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In those who didn’t have primary sleep disorders, just under 90% met the criteria for at least one measurable sleep problem. Researchers identified four different groups based on sleep abnormalities. They were: Group 1: Slower to get to sleep, delayed Rapid Eye Movement (REM), lower percentages of stage 2 and REM sleep; Group 2: More frequent awakenings; Group 3: Longer total sleep time, less delayed REM sleep, higher percentage of REM sleep, lower percentage of wake time; Group 4: Shortest total sleep time, highest percentage of wake time after sleep onset. Researchers concluded that doctors need to routinely screen for sleep disorders when considering an ME/CFS diagnosis, and that they should use sleep studies to identify sleep problems and tailor treatments to the specific groups. What kind of sleep problems do you have? Do you think one of the above groups describes you?
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