Effect of Six-Month Diet Intervention on Sleep among Overweight and Obese Men with Chronic Insomnia Symptoms : A Randomized Controlled Trial

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http://hdl.handle.net/10138/172530

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Tan , X , Alen , 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 , vol. 8 , no. 11 , 751 . https://doi.org/10.3390/nu8110751

Title: Effect of Six-Month Diet Intervention on Sleep among Overweight and Obese Men with Chronic Insomnia Symptoms : A Randomized Controlled Trial
Author: Tan, Xiao; Alen, Markku; Wang, Kun; Tenhunen, Jarkko; Wiklund, Petri; Partinen, Markku; Cheng, Sulin
Contributor: University of Helsinki, Clinicum
Date: 2016-11
Language: eng
Number of pages: 14
Belongs to series: Nutrients
ISSN: 2072-6643
URI: http://hdl.handle.net/10138/172530
Abstract: 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/m(2)) 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.
Subject: insomnia symptoms
sleep
sleep onset
diet intervention
nutrient
overweight
obesity
ENERGY-EXPENDITURE
INTERNATIONAL CLASSIFICATION
DISORDERS ICSD
RISK-FACTORS
WEIGHT-GAIN
POPULATION
FAT
PREVALENCE
BALANCE
QUALITY
3141 Health care science
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