• Cristina Façanha, Veralice de Bruin, Pedro de Bruin, Arthur Façanha, Hellen Cristina Rocha, Mariana Araujo, Adriana Forti, and Rejane Macêdo.
• Universidade Federal do Ceará, Centro Universitário Christus, Centro Integrado de Diabetes e Hipertensão do Ceará - Fortaleza (CE), Brasil.
• Rev Assoc Med Bras (1992). 2021 Jan 1; 67 (1): 45-51.

ObjectiveTo investigate sleep alterations and associated factors in pregnant diabetic women (n=141).MethodsSleep profile, sociodemographics and clinical information were collected. Poor sleep quality (Pittsburgh Sleep Quality Index >5) and excessive daytime sleepiness (Epworth Sleepiness Scale ≥10), sleep duration (h), sleep latency (min), frequent sleep interruption and short sleep (≤6 h) were assessed in type 1 diabetes mellitus (16.3%), type 2 diabetes mellitus (25.5%) and gestational diabetes mellitus (58.2%).ResultsPoor sleep quality was found in 58.8% of patients and daytime sleepiness in 25.7%, regardless of hyperglycemia etiology. No correlation existed between daytime sleepiness and poor sleep quality (Pearson correlation r=0.02, p=0.84). Short sleep duration occurred in 1/3 of patients (31.2%). Sleep interruptions due to frequent urination affected 72% of all and sleep interruptions due to any cause 71.2%. Metformin was used by 65.7% of type 2 diabetes mellitus and 28.7% of gestational diabetes mellitus. In gestational diabetes mellitus, parity number was independently associated with poor sleep quality (p=0.02; OR=1.90; 95%CI 1.07-3.36) and metformin use was also independently associated with poor sleep quality (p=0.03; OR=2.36; 95%CI 1.05-5.29).ConclusionsOur study originally shows that poor sleep quality and excessive daytime sleepiness are frequent in diabetic pregnancy due to different etiologies. Interestingly, only in gestational diabetes mellitus, metformin therapy and higher parity were associated with poor sleep quality.

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