sleep, I ordered a sleep study. I rarely perform sleep studies for insomnia, but when the insomnia occurs after falling asleep and is persistent despite good patient adherence to therapy, I feel a sleep study is in order.
Lo and behold, Tom did have sleep apnea that was particularly severe at 3:00 a.m. during REM (dream) sleep. This is not unusual, as sleep apnea appears to be more severe during dream sleep in many individuals, and dream sleep tends to increase significantly during the second half of the night. Treating Tomâs sleep apnea was an important part of treating his insomnia.
Tomâs lifestyle and stressors also contributed to insomnia. Because behavior and insomnia are closely linked, treatment must include the behavior and emotional associations surrounding bedtime and sleeping. Changing sleep practices is one part, and the transformation of feelings and thoughts into more successful habits is the second part.
Chronic Insomnia
In 10% of the population, insomnia is a chronic problem, lasting over three months. In fact, most studies measure the duration of the problem in years.
INDICATIONS
1. Â Duration of longer than one month.
2. Â Continuing symptoms on two or more follow-up visits with your health care provider.
Multiple factors contribute to a diagnosis of chronic insomnia, including:
  Heredity in one-third of the cases.
  Mental health disorders such as depression, anxiety, attention deficit hyperactivity disorder (ADHD), post-traumatic stress, or bipolar disorder.
  Substance abuse, the consistent triggering of the hyperarousal state, and certain medical conditions and medications.
If untreated, many go on to develop depression. In fact, in one study of over 14,000 patients, insomnia preceded depression in 40% of cases. That percentage still amazes me because I see that an insomniac might not clearly recognize his or her personal level of dysfunction. In addition, insomnia occurs at the same time as anxiety disorders in 38% of cases. If you leave insomnia untreated, the relapse rates of depression and anxiety are very high. It also creates high risk factors for other mental health issues, substantial health care costs, dysfunction in work and relationships, as well as decreased quality of life.
A recent study from South Korea, published in the journal Sleep, highlights the emotional problems associated with persistent insomnia. In this study, researchers followed over 1,000 people with insomnia for a six-year period. Researchers first eliminated those with insomnia and either depression or suicidal ideation. Over the next six years, researchers closely followed those with chronic insomnia, and screened them periodically for the developmentof depression or suicidal ideation. The odds of developing depression were 2.5 times more likely and developing suicidal ideation was 1.7 times more likely in those with continuing insomnia. Other published studies that also correlated insomnia with the odds of developing depression or suicidal thoughts were higher than in the Korean study.
If left untreated, chronic insomnia can result in significant emotional consequences. Prevent any transient insomnia from progressing.
Why You Suffer from Insomnia
There are two major schools of thought as to why you might suffer from insomnia. The first is the physiological hyperarousal theory, which means the brain and body stay in an alert, aware state. Insomnia sufferers show faster brain waves that are characteristic of wakefulness and mental processing while asleep. They also produce more stress hormones such as cortisol, adrenaline, and noradrenaline at night. In addition, PET scans show an increase in glucose uptake in the brain while asleep compared to normal sleep patterns.
The second theory is the psychological theory. Insomnia sufferers seem to have anxiety-prone personalities, may be ruminators and worriers, and tend to internalize their emotions. Therefore, they have more
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