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Sleep is known to play an important role in the etiology and maintenance of bipolar disorder. [1] Patients with bipolar disorder often have a less stable and more variable circadian activity. [2] Circadian activity disruption can be apparent even if the person concerned is not currently ill. [3] [4]
Changes in daily routines place stress on the body's maintenance of sleep-wake cycles, appetite, energy, and alertness, [8] all of which are affected during mood episodes. For example, depressive symptoms include disturbed sleep patterns (sleeping too much or difficulty falling asleep), changes in appetite, fatigue, and slowed movement or ...
Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior.
The lifetime prevalence of BD is approximately 1% in the general population, [4] but rises to 4% when given the broader definition of bipolar spectrum disorder. As a result of the broad and complex nature of bipolar disorder, misdiagnosis is fairly common: 69% of confirmed cases are found to be initially misdiagnosed and more than a third of ...
Sign with text: Sömnförsök pågår (Sleep study in progress), room for sleep studies in NÄL hospital, Sweden. A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test for different sleep characteristics and disorders.
The poor response from some bipolar patients to treatment has given evidence to the concept of treatment-resistant bipolar disorder. [ 163 ] [ 164 ] Guidelines to the definition of treatment-resistant bipolar disorder and evidence-based options for its management were reviewed in 2020.
The most common sleep-related symptom of bipolar disorder is insomnia, in addition to hypersomnia, nightmares, poor sleep quality, OSA, extreme daytime sleepiness, etc. [27] Moreover, animal models have shown that sleep debt can induce episodes of bipolar mania in laboratory mice, but these models are still limited in their potential to explain ...
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