The economic costs of insomnia comorbid with depression and anxiety disorders: an observational study at a sleep clinic in Mexico.

"Declarations Conflict of interestThe authors declare no conflict of interest. Ethical approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the Research and Ethics Committee of the Sleep Disorders Clinic and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The protocol was approved by the Research and Ethics Committee of the Metropolitan Autonomous University. Consent to participateInformed consent was obtained from all individual participants included in the study. Conflict of interest The authors declare no conflict of interest."

"Funding This work was performed at the Universidad Autónoma Metropolitana Campus Xochimilco and the SDC in Mexico, which had no role in the design, analysis, or writing of this article. GIT-G was supported by CONACYT (Grant No. 706487) Post Graduate Fellowship Program. This research received no external funding."