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Medical cannabis and insomnia in older adults with chronic pain: a cross-sectional study
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  • Published on:
    Cannabinoids impact on insomniacs with chronic pain: how cautious should we be?
    • Miguel G. Meira e Cruz, Sleep Medicine Physician European Sleep Center, Centro Cardiovascular da Universidade de Lisboa, Faculdade São Leopoldo Mandic, Bahiana (EBMSP)
    • Other Contributors:
      • Maria C. S. de Freitas, Medicine Student
      • Cristina Salles, Sleep Medicine Physician

    Title: Cannabinoids impact on insomniacs with chronic pain: how cautious we should be?
    This correspondence provides a comment on the recent review article by Humer et al. (Int. J. Mol. Sci. 2020, 21(19), 7244;
    Dear Editor,
    From the results of a recent cross-sectional study on patients with insomnia and chronic pain, published in the BMJ Support Palliat Care, Sznitman and colleagues have suggested that Medicinal Cannabis (MC) could have positive effects in sleep maintenance of patients experiencing chronic pain. Since both conditions, insomnia and chronic pain play an important role in the clinical arena, either related to their impact on the quality of life and associated comorbidities, but also because both have high rates of prevalence among the world population. This is a highly relevant finding, however, we believe that it deserves further consideration.
    Although insomnia majorly affects patients seeking care in clinics managing patients complaining of persistent pain1, other sleep conditions as obstructive sleep apnea (OSA) could also prevail in similar circumstances2. In fact, comorbid insomnia with sleep apnea (COMISA) frequently occurs and may lead to a more cautious clinical approach since this comorbid condition might have different etiological, pathophysiological, diagnostic, and therapeutic implications. Either Insomnia1 or OSA increases with age, wi...

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    Conflict of Interest:
    None declared.