Effect of Six-Month Diet Intervention on Sleep among Overweight and Obese Men with Chronic Insomnia Symptoms : A Randomized Controlled Trial
Tan, X., Alén, M., Wang, K., Tenhunen, J., Wiklund, P., Partinen, M., & Cheng, S. (2016). Effect of Six-Month Diet Intervention on Sleep among Overweight and Obese Men with Chronic Insomnia Symptoms : A Randomized Controlled Trial. Nutrients, 8 (11), 751. doi:10.3390/nu8110751
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NutrientsAuthors
Date
2016Discipline
LiikuntalääketiedeCopyright
© the Authors, 2016. This is an open access article distributed under the Creative Commons Attribution License.
Growing evidence suggests that diet alteration affects sleep, but this has not yet been
studied in adults with insomnia symptoms. We aimed to determine the effect of a six-month diet
intervention on sleep among overweight and obese (Body mass index, BMI 25 kg/m2) men with
chronic insomnia symptoms. Forty-nine men aged 30–65 years with chronic insomnia symptoms
were randomized into diet (n = 28) or control (n = 21) groups. The diet group underwent a six-month
individualized diet intervention with three face-to-face counseling sessions and online supervision
1–3 times per week; 300–500 kcal/day less energy intake and optimized nutrient composition were
recommended. Controls were instructed to maintain their habitual lifestyle. Sleep parameters were
determined by piezoelectric bed sensors, a sleep diary, and a Basic Nordic sleep questionnaire.
Compared to the controls, the diet group had shorter objective sleep onset latency after intervention.
Within the diet group, prolonged objective total sleep time, improved objective sleep efficiency, lower
depression score, less subjective nocturnal awakenings, and nocturia were found after intervention.
In conclusion, modest energy restriction and optimized nutrient composition shorten sleep onset
latency in overweight and obese men with insomnia symptoms.
...


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- Liikuntatieteiden tiedekunta [2095]
License
Except where otherwise noted, this item's license is described as © the Authors, 2016. This is an open access article distributed under the Creative Commons Attribution License.
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