Literature reports suggest that subjective sleep quality is associated with nutrient intake in elderly people and workers. However, few studies have suggested an association between objective sleep quality and dietary intake in adolescents and young women. We hypothesized that objective sleep quality is associated with dietary intake in adolescents and young women. We evaluated the association between energy and nutrient intake and objective sleep quality in adolescents and young Japanese women. In a cross-sectional study of 80 women aged 18-27 years, dietary intake was assessed using the self-administered diet history questionnaire. Objective sleep quality was assessed by actigraphy. Lifestyle characteristics, dietary habits, and mental health were assessed using specific questionnaires. Subjects were classified into 3 groups according to sleep efficiency (SE <80%, 80%-85%, and ≥85%), and the relationships between dietary intake and objective sleep quality were statistically evaluated. No significant differences occurred in lifestyle characteristics, physical activity levels, eating behavior, and mental health status among the 3 SE groups. Energy intake was significantly lower in the low-SE group than in the middle- (P = .004) and high- (P = .015) SE groups. Protein intake was significantly lower in the low-SE group than in the high-SE group (P = .034). The mean energy-adjusted intakes of vitamin K, vitamin B2, potassium, magnesium, iron, zinc, copper, and tryptophan were significantly lower in the low-SE group than in the high-SE group. Adequate energy intake and a high-quality diet including vitamins, minerals, and tryptophan may result in high sleep quality and help prevent sleep problems.

中文翻译：

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日本年轻女性的低能量摄入和饮食质量与客观睡眠质量低有关

文献报告表明，主观睡眠质量与老年人和工人的营养摄入有关。然而，很少有研究表明客观睡眠质量与青少年和年轻女性的膳食摄入量之间存在关联。我们假设客观睡眠质量与青少年和年轻女性的膳食摄入量有关。我们评估了日本青少年和年轻女性的能量和营养摄入与客观睡眠质量之间的关联。在一项对 80 名 18-27 岁女性的横断面研究中，使用自我管理的饮食史问卷评估了饮食摄入量。客观睡眠质量通过活动描记法进行评估。生活方式特征、饮食习惯和心理健康通过特定的问卷进行评估。根据睡眠效率将受试者分为3组（SE <80%、80%-85%和≥85%），并统计评估膳食摄入量与客观睡眠质量之间的关系。3 个 SE 组在生活方式特征、身体活动水平、饮食行为和心理健康状况方面没有显着差异。低 SE 组的能量摄入显着低于中 (P = .004) 和高 (P = .015) SE 组。低 SE 组的蛋白质摄入量显着低于高 SE 组 (P = .034)。低 SE 组的维生素 K、维生素 B2、钾、镁、铁、锌、铜和色氨酸的平均能量调整摄入量显着低于高 SE 组。充足的能量摄入和高质量的饮食，包括维生素、矿物质、