Patients who had primary insomnia or insomnia comorbid with depression reported better sleep latency and wake after sleep onset compared to patients with insomnia comorbid with chronic pain symptoms.
BOSTON—Insomnia comorbid with chronic pain was associated with the most severe insomnia symptoms, compared with insomnia comorbid with depression and primary insomnia, according to research presented at the 26th Annual Meeting of the Associated Professional Sleep Societies.
After adjusting for age, sex, ethnicity, and education, investigators found that wake after sleep onset (WASO) averaged nearly 300 minutes per week for patients who had insomnia comorbid with chronic pain. WASO was approximately 180 minutes per week for patients who had insomnia comorbid with depression and for patients with primary insomnia, said Elizabeth A. Waldron, MS, a doctoral student at the Philadelphia College of Osteopathic Medicine.
Sleep latency averaged approximately 420 minutes per week for patients with insomnia comorbid with chronic pain. Sleep latency was approximately 390 minutes per week for individuals with insomnia comorbid with depression, and approximately 330 minutes per week for patients with primary insomnia.
An Online Survey of Insomnia Symptoms
Ms. Waldron and colleagues used an online questionnaire to assess self-reported insomnia severity symptoms between patients with primary insomnia and those who had insomnia comorbid with chronic pain or depression. Participants provided data about demographics, standard sleep variables, insomnia-related daytime impairment, sleep sufficiency, pain, depression, and other health variables.