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Fibromyalgia - The Sleep Disturbances
It is during
sleep that healing processes take place. One must enter into a certain sleep
pattern for this to occur. Numerous studies have been conducted which reveal
that persons with fibromyalgia have a sleep disturbance that prevents
healing. Here's what we know. Therapeutic or healing sleep occurs during
deep sleep, and deep sleep is characterized by brain waves that are called
delta waves. These are slow, deep brain waves and this pattern must be
sustained. When a person with fibromyalgia is hooked up to a device called
an EEG in a sleep lab, it can be demonstrated that the delta wave pattern is
constantly being interrupted by something called alpha waves, which are
brain waves that occur during light sleep. These brain waves are short and
rapid. This is called alpha-delta intrusion. Constant alpha-delta intrusion
prevents sustained therapeutic sleep from occurring and healing simply can't
take place. It is during deep sleep that the regulation of the metabolism of
an important neurotransmitter called serotonin takes place. We will discuss
the importance of serotonin in another section. But let us establish one
point here. Serotonin is necessary for the activation of an important immune
system cell called "natural killer cells". Disruption of the metabolism of
serotonin, the consequence of sleep disturbance, therefore is an important
contributor to the inability of the body to heal in fibromyalgia due to its
adverse affect on an immune system that is already dysfunctional. |
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A study published
in the "Journal of Rheumatology" further sustains the role that sleep
disturbances play in the symptoms of fibromyalgia. The subjects of this
study did not have fibromyalgia and therefore had normal sleep patterns.
However, for three consecutive nights they had their sleep interrupted by
various sounds. This caused them to be deprived of any periods of sustained
delta wave, therapeutic sleep. At the end of this experiment, after just
three nights of the inability to achieve therapeutic sleep, they reported a
significantly decreased pain threshold, increased discomfort, and fatigue.
These results certainly confirm that disrupted therapeutic sleep is an
important factor in the pathophysiology of the symptoms of fibromyalgia. |
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