Time in Bed, Sleeping Difficulties, and Nutrition in Pregnant New Zealand Women.
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Date
2023-02-23
Open Access Location
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Publisher
MDPI (Basel, Switzerland)
Rights
(c) 2023 The Author/s
CC BY 4.0
CC BY 4.0
Abstract
We consider the relationship between time in bed (TIB) and sleeping difficulties with demographic variables and nutrient intakes in the second (T2) and third (T3) trimester of pregnancy. Data were acquired from a volunteer sample of New Zealand pregnant women. In T2 and T3, questionnaires were administered, diets were obtained from one 24 h recall and three weighed food records, and physical activity was measured with the use of three 24 h diaries. In total, 370 women had complete information in T2 and 310 in T3. In both trimesters, TIB was associated with welfare or disability status, marital status and age. In T2, TIB was associated with work, childcare, education and pre-pregnancy alcohol consumption. There were fewer significant lifestyle covariates in T3. In both trimesters, TIB declined with increasing dietary intake, especially water, protein, biotin, potassium, magnesium, calcium, phosphorus and manganese. Adjusted for weight of dietary intake and welfare/disability, TIB declined with increasing nutrient density of B vitamins, saturated fats, potassium, fructose and lactose; and TIB increased with carbohydrate, sucrose and vitamin E. Subjective sleeping difficulties increased with the week of gestation, morning sickness severity, anxiety, dairy and saturated fat intake, and they decreased with fruit, vegetable and monounsaturated fat intake. The study highlights the changing influence of covariates throughout the pregnancy and corroborates several published findings on the relationship of diet and sleep.
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Keywords
New Zealand, diet, nutrient intake, physical activity, pregnancy, sleep, sleeping difficulties, time in bed, trimester, water, Female, Humans, Pregnancy, Nutritional Status, Pregnant People, New Zealand, Diet, Vitamins, Sleep, Potassium, Energy Intake
Citation
McDonald BW, Watson PE. (2023). Time in Bed, Sleeping Difficulties, and Nutrition in Pregnant New Zealand Women.. Nutrients. 15. 5. (pp. 1130-).