The Journal of Sleep and Environments

The Journal of Sleep and Environments

Published by Japanese Society of Sleep and Environments

52 registered articles
(updated on August 26, 2025)

Online ISSN : 2758-8890
Print ISSN : 1340-8275

JOURNAL PEER REVIEWED FREE ACCESS

2025 Volume 19 Issue 1

Relationship between Working Hours and Sleep Duration in Japan Yukio TOYODA
Sleepiness, and Human Errors Shuichiro SHIRAKAWA
Associations between Daytime Physical Activity Patterns and Nocturnal Sleep Cycle Stability in Young Male Adults. Hiroko SAWAI, Maki MATSUMOTO, Emi KOYAMA, Hiroyuki SAKAI
Factors Analysis of Mattress Comfort Among 50~89 years olds: Koji TAKAHASHI, Kaori OTOMO, Hideki TANAKA

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Most viewed articles (July 2025)

1

Benefits and Drawbacks of Napping, and Power Nap

Released on J-STAGE: August 22, 2024 | Volume 18 Issue 1 Pages 17-24

Mitsuo HAYASHI
2

Practicing Sleep Education with University Students

Released on J-STAGE: September 01, 2023 | Volume 15 Issue 1 Pages 72-76

Mitsuo Hayashi
3

The Relationships between Happiness and Health, Restorative Sleep, Social Connections, and Lifestyle Factors

Released on J-STAGE: January 30, 2025 | Volume 18 Issue 2 Pages 1-12

Kaori YAMAOKA, Taro MATSUKI, Hideki TANAKA
4

Psychological Phenomena During Sleep and EEG Images

Released on J-STAGE: February 22, 2024 | Volume 17 Issue 2 Pages 1-8

Kazuhiko FUKUDA
5

Relationship between Working Hours and Sleep Duration in Japan

Released on J-STAGE: June 30, 2025 | Volume 19 Issue 1 Pages 41-49

Yukio TOYODA

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