Open AccessCharacteristics of sleep–wake cycle and sleep duration in Japanese type 2 diabetes patients with visceral fat accumulation
Author(s) -
Fukuda Shiro,
Hirata Ayumu,
Nishizawa Hitoshi,
Nagao Hirofumi,
Kimura Takekazu,
Fujishima Yuya,
Yamaoka Masaya,
Kozawa Junji,
Imagawa Akihisa,
Funahashi Tohru,
Maeda Norikazu,
Shimomura Iichiro
Publication year - 2018
Publication title -
journal of diabetes investigation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.089
H-Index - 50
eISSN - 2040-1124
pISSN - 2040-1116
DOI - 10.1111/jdi.12643
Subject(s) - bedtime , medicine , diabetes mellitus , type 2 diabetes , type 2 diabetes mellitus , sleep (system call) , endocrinology , gastroenterology , computer science , operating system
Sleep pattern has been shown to be associated with type 2 diabetes mellitus. Here, we investigated the difference in bedtime, waking time and estimated sleep duration in type 2 diabetes mellitus patients with or without visceral fat accumulation, using a questionnaire on sleep patterns. The study participants were 59 Japanese type 2 diabetes mellitus patients (men/women 34/25, age 64.5 ± 12.1 years). Visceral fat accumulation was defined as estimated visceral fat area ≥100 cm 2 . The patients with visceral fat accumulation ( n = 40) showed significantly later bedtime (23.51 ± 01.27 h in the [+] group vs 22.49 ± 01.23 h in the [−] group) and shorter estimated sleep duration (6.6 ± 1.4 h in the [+] group vs 7.9 ± 1.0 h in the [−] group) on weekdays, compared with those without ( n = 19). Later bedtime and shorter estimated sleep duration existed in the type 2 diabetes mellitus patients with visceral fat accumulation, compared with those without.