The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults

Background Sleep duration and daytime napping and obesity are related to adiposity; however, it is not clear whether the association between daytime napping and adiposity measures can differ by sleep duration. Aim To clarify the association between daytime napping and general and abdominal obesity b...

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Main Authors: Noushin Mohammadifard, Firoozeh Sajjadi, Fahimeh Haghighatdoost, Soraya Masoodi, Masoumeh Sadeghi, Hamidreza Roohafza, Maryam Maghroun, Hassan Alikhasi, Farzaneh Zamaneh, Parisa Zakeri, Simin Karimi, Nizal Sarrafzadegan
Format: Article
Language:English
Published: Taylor & Francis Group 2023-01-01
Series:Annals of Human Biology
Subjects:
Online Access:http://dx.doi.org/10.1080/03014460.2023.2213479
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author Noushin Mohammadifard
Firoozeh Sajjadi
Fahimeh Haghighatdoost
Soraya Masoodi
Masoumeh Sadeghi
Hamidreza Roohafza
Maryam Maghroun
Hassan Alikhasi
Farzaneh Zamaneh
Parisa Zakeri
Simin Karimi
Nizal Sarrafzadegan
author_facet Noushin Mohammadifard
Firoozeh Sajjadi
Fahimeh Haghighatdoost
Soraya Masoodi
Masoumeh Sadeghi
Hamidreza Roohafza
Maryam Maghroun
Hassan Alikhasi
Farzaneh Zamaneh
Parisa Zakeri
Simin Karimi
Nizal Sarrafzadegan
author_sort Noushin Mohammadifard
collection DOAJ
description Background Sleep duration and daytime napping and obesity are related to adiposity; however, it is not clear whether the association between daytime napping and adiposity measures can differ by sleep duration. Aim To clarify the association between daytime napping and general and abdominal obesity based on sleep duration of participants. Subjects and methods This cross-sectional study was conducted on 1,683 individuals (837 men and 846 women) aged ≥ 35 years. Height, weight and waist circumference (WC) were measured according to the standard protocols. Body mass index (BMI) was calculated. Self-reported sleep duration (in a 24-hour cycle) was recorded. The odds of general and abdominal obesity were compared between nappers and non-nappers, stratified by their sleep duration (≤ 6 h, 6–8 h, ≥ 8 h). Results The mean (SD) age of participants was 47.48 ± 9.35 years. Nappers with a short sleep duration (≤ 6 h) had greater BMI and higher risk for overweight/obesity compared with counterpart non-nappers after adjustment for potential confounders (OR = 1.61, 95% CI = 1.07–2.41). In subjects with moderate sleep duration (6–8 h), nappers had a tendency towards higher BMI in comparison with non-nappers (28.04 ± 0.25 vs. 26.93 ± 0.51 kg/m2; p = 0.05), however, no significant difference was observed for the risk of obesity. Daytime napping was not related to the risk of obesity in long sleepers. No significant association was observed for abdominal obesity measures. Conclusions Daytime napping is associated with increased risk of overweight/obesity in short sleepers. However, in subjects with longer sleep duration, it is not related to the risk of overweight/obesity.
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spelling doaj.art-abafe336d2674862a274a3289012424d2023-11-02T14:32:42ZengTaylor & Francis GroupAnnals of Human Biology0301-44601464-50332023-01-0150121121810.1080/03014460.2023.22134792213479The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adultsNoushin Mohammadifard0Firoozeh Sajjadi1Fahimeh Haghighatdoost2Soraya Masoodi3Masoumeh Sadeghi4Hamidreza Roohafza5Maryam Maghroun6Hassan Alikhasi7Farzaneh Zamaneh8Parisa Zakeri9Simin Karimi10Nizal Sarrafzadegan11Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesHypertension Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesInterventional Cardiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesCancer Prevention Research Center, Isfahan University of Medical SciencesCardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesIsfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesCardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesPediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesIsfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesHeart Failure Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesIsfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesIsfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical SciencesBackground Sleep duration and daytime napping and obesity are related to adiposity; however, it is not clear whether the association between daytime napping and adiposity measures can differ by sleep duration. Aim To clarify the association between daytime napping and general and abdominal obesity based on sleep duration of participants. Subjects and methods This cross-sectional study was conducted on 1,683 individuals (837 men and 846 women) aged ≥ 35 years. Height, weight and waist circumference (WC) were measured according to the standard protocols. Body mass index (BMI) was calculated. Self-reported sleep duration (in a 24-hour cycle) was recorded. The odds of general and abdominal obesity were compared between nappers and non-nappers, stratified by their sleep duration (≤ 6 h, 6–8 h, ≥ 8 h). Results The mean (SD) age of participants was 47.48 ± 9.35 years. Nappers with a short sleep duration (≤ 6 h) had greater BMI and higher risk for overweight/obesity compared with counterpart non-nappers after adjustment for potential confounders (OR = 1.61, 95% CI = 1.07–2.41). In subjects with moderate sleep duration (6–8 h), nappers had a tendency towards higher BMI in comparison with non-nappers (28.04 ± 0.25 vs. 26.93 ± 0.51 kg/m2; p = 0.05), however, no significant difference was observed for the risk of obesity. Daytime napping was not related to the risk of obesity in long sleepers. No significant association was observed for abdominal obesity measures. Conclusions Daytime napping is associated with increased risk of overweight/obesity in short sleepers. However, in subjects with longer sleep duration, it is not related to the risk of overweight/obesity.http://dx.doi.org/10.1080/03014460.2023.2213479daytime sleepnocturnal sleepsiestaobesitybody mass indexwaist circumference
spellingShingle Noushin Mohammadifard
Firoozeh Sajjadi
Fahimeh Haghighatdoost
Soraya Masoodi
Masoumeh Sadeghi
Hamidreza Roohafza
Maryam Maghroun
Hassan Alikhasi
Farzaneh Zamaneh
Parisa Zakeri
Simin Karimi
Nizal Sarrafzadegan
The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
Annals of Human Biology
daytime sleep
nocturnal sleep
siesta
obesity
body mass index
waist circumference
title The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
title_full The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
title_fullStr The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
title_full_unstemmed The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
title_short The association between daytime sleep and general obesity risk differs by sleep duration in Iranian adults
title_sort association between daytime sleep and general obesity risk differs by sleep duration in iranian adults
topic daytime sleep
nocturnal sleep
siesta
obesity
body mass index
waist circumference
url http://dx.doi.org/10.1080/03014460.2023.2213479
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