The Journal of Sleep and Environments

The Journal of Sleep and Environments

Published by Japanese Society of Sleep and Environments

57 registered articles
(updated on July 10, 2026)

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

JOURNAL PEER REVIEWED FREE ACCESS

2025 Volume 19 Issue 2

A National Survey on the Current Situation of Nap in Certified Centers for Early Childhood Education and Care (ECEC) (2nd report) - Factors Influencing Directors’ Views and Practices on the Necessity of Nap- Yoshinori WAKAO, Arika YOSHIZAKI, Atsushi KATO, Miyuki SUZUKI
Gender difference in Correlates with Sleep Deprivation among White-collar Workers of a Private Company, Particularly its Association with Family Factors Fumie OKAMOTO, Takayuki KAGEYAMA, Keiko SUGIMOTO, Toshio KOBAYASHI
Effect of Cardboard Bed on Sleep Onset Period Under a Mild Humid Heat Environment Kazue OKAMOTO-MIZUNO, Koh MIZUNO, Kana NISHIYAMA, Rie SUDA
The Importance of Mothers’ Sleep and Rest During the Postpartum Period Akiko ABE

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Most viewed articles (June 2026)

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

Dreams in Relation to Memory, Emotion, and Creativity: An Integration from the Perspective of Predictive Processing

Released on J-STAGE: January 29, 2026 | Volume 19 Issue 2 Pages 33-46

Yuki MOTOMURA
4

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
5

The Importance of Mothers’ Sleep and Rest During the Postpartum Period

Released on J-STAGE: January 29, 2026 | Volume 19 Issue 2 Pages 47-52

Akiko ABE

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