Nutritional Biomarkers and Factors Correlated with Poor Sleep Status among Young Females: A Case-Control Study
Sara AL-Musharaf; Lama AlAjllan; Ghadeer Aljuraiban; Munirah AlSuhaibani; Noura Alafif; Syed Danish Hussain
Poor sleep status is associated with several health problems. Nutritional biomarkers and factors related to poor sleep are understudied. This study aimed to identify nutrition biomarkers and factors related to sleep status in healthy young Saudi females. The study included 92 normal-weight and obese Saudi females aged 19&ndash:25. Fasting blood glucose, insulin, and lipid profiles were measured. Insulin resistance was calculated on the basis of the homeostasis model assessment of insulin resistance (HOMA-IR) method. Anthropometric, stress, physical activity, and dietary data were collected. Data on the polyphenol content in foods were retrieved from the Phenol-Explorer database. The sleep status was assessed using the Pittsburgh sleep quality index (PSQI). Associations between variables were assessed using the multiple logistic regression model. Around 76% of the participants had poor sleep status (PSQI >: 5). Multiple logistic regression reported high polyphenol intake as a protective factor against poor sleep (OR 0.24: 95% CI 0.07&ndash:0.83: p = 0.03) and HOMA-IR as an independent risk for poor sleep (OR 4.97: 95% CI 1.11&ndash:22.31: p = 0.04). Other nutritional biomarkers and factors, such as BMI, lipid profile, and vitamins, revealed a trend but were not significant. In conclusion, poor sleep status is associated with insulin resistance and low polyphenol intake among women of reproductive age.
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