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Relationship between daily isoflavone intake and sleep in Japanese adults: a cross-sectional study.

High intake of foods loaded with isoflavones may have a positive impact on sleep quality and duration.

​This study examined the effect of dietary ingestion of isoflavones on the quality and duration of sleep. Researchers compared isoflavone consumption rate with sleep duration and quality in a study population comprising of 1,076 Japanese adults within the age bracket of 20-78 years. 

Researchers discovered that high consumers of foods packed with isoflavones had better quality and duration of sleep than low or non consumers of these phytochemicals. Evidence from this study suggest that Increase in the frequency of consumption isoflavone-containing foods may improve sleep quality and duration.

Research Summary Information

  • 2015
  • Cui Y, Niu K, Huang C, Momma H, Guan L, Kobayashi Y, Guo H, Chujo M, Otomo A, Nagatomi R.
  • Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. bigshowgod@yahoo.co.jp. Department of Epidemiology, School of Public Health, Tianjin Medical University, Heping District, Tianjin, People's Republic of China. nkj0809@gmail.com. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. hcongman@yahoo.com. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. harupiyo326@hotmail.com. Department of Medicine and Science in Sports and Exercise, Tohoku University Graduate School of Medicine, Sendai, Japan. guanlei09@hotmail.co.jp. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. y-kobayashi@m.tains.tohoku.ac.jp. Tianjin University of Sport, Tianjin, China. jpkakuki@yahoo.co.jp. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. chuziyou.masahiko@xu31.fks.ed.jp. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. ootomo@itamitoru.jp. Division of Biomedical Engineering for Health & Welfare, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan. nagatomi@med.tohoku.ac.jp.
  • Yes, Free full text of study was found:
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