Effect of forest bathing on sleep and physical activity

Tomoyuki Kawada, Qing Li, Ari Ito, Hirofumi Inagaki, Masao Katsumata, Takako Shimizu, Yukiyo Hirata, Kimiko Hirata, Hiroko Suzuki

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)


Objective: In order to explore the effect of a forest trip on human sleep, we performed continuous monitoring with an accelerometer, including during forest visits. Methods: Twelve healthy male office workers in Tokyo, aged 37 to 55 years old, were selected for the study after obtaining their informed consent. The subjects undertook a three-day/two-night trip to three different forest fields. On the first day, they walked for two hours in the afternoon in a forest field; on the second day, they walked for two hours in the morning and in the afternoon, respectively, in two different forest fields. An accelerometer was used to monitor the duration of sleep and the daily physical activity level. Results: Significant increase of the sleep time during the forest bathing trip was recognized as compared with that noted before the trip. In addition, there was also a significant increase of the daily physical activity during the trip as compared with that after the trip. Conclusions: The authors speculate that the forest bathing trip might have had a beneficial effect on the sleep time, irrespective of the daily physical activity level.

Original languageEnglish
Title of host publicationForest Medicine
PublisherNova Science Publishers, Inc.
Number of pages5
ISBN (Print)9781626184626
Publication statusPublished - 2013 Dec 1


  • Accelerometer
  • Daily activity
  • Forest bathing
  • Sleep time

ASJC Scopus subject areas

  • Medicine(all)


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