Seasonal changes in human sleep–wake rhythm in Antarctica and Japan
Abstract The subjects were eight men of the Japanese Antarctic Research Expedition (average age 35.8 years), and 10 healthy people living around Kofu, Japan (28.9 years). They completed a sleep log for 12 to 18 months, and the sleep–wake state was scored in 10‐min epochs. Q 24 values calculated by χ...
Published in: | Psychiatry and Clinical Neurosciences |
---|---|
Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2000
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1046/j.1440-1819.2000.00715.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/full-xml/10.1046/j.1440-1819.2000.00715.x |
id |
crwiley:10.1046/j.1440-1819.2000.00715.x |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1046/j.1440-1819.2000.00715.x 2024-06-02T07:57:57+00:00 Seasonal changes in human sleep–wake rhythm in Antarctica and Japan Usui, Akira Obinata, Ichio Ishizuka, Yoshikazu Okado, Tamio Fukuzawa, Hitoshi Kanba, Shigenobu 2000 http://dx.doi.org/10.1046/j.1440-1819.2000.00715.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/full-xml/10.1046/j.1440-1819.2000.00715.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Psychiatry and Clinical Neurosciences volume 54, issue 3, page 361-362 ISSN 1323-1316 1440-1819 journal-article 2000 crwiley https://doi.org/10.1046/j.1440-1819.2000.00715.x 2024-05-03T11:02:59Z Abstract The subjects were eight men of the Japanese Antarctic Research Expedition (average age 35.8 years), and 10 healthy people living around Kofu, Japan (28.9 years). They completed a sleep log for 12 to 18 months, and the sleep–wake state was scored in 10‐min epochs. Q 24 values calculated by χ 2 periodgram were low in the Antarctic midwinter. This means that there was difficulty in synchronizing to a 24‐h period in the Antarctic midwinter. In Antarctica, sleep onset and offset times were delayed mostly in the midwinter. In Japan, sleep offset time was delayed mostly around the winter solstice. Article in Journal/Newspaper Antarc* Antarctic Antarctica Wiley Online Library Antarctic Midwinter ENVELOPE(139.931,139.931,-66.690,-66.690) The Antarctic Psychiatry and Clinical Neurosciences 54 3 361 362 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract The subjects were eight men of the Japanese Antarctic Research Expedition (average age 35.8 years), and 10 healthy people living around Kofu, Japan (28.9 years). They completed a sleep log for 12 to 18 months, and the sleep–wake state was scored in 10‐min epochs. Q 24 values calculated by χ 2 periodgram were low in the Antarctic midwinter. This means that there was difficulty in synchronizing to a 24‐h period in the Antarctic midwinter. In Antarctica, sleep onset and offset times were delayed mostly in the midwinter. In Japan, sleep offset time was delayed mostly around the winter solstice. |
format |
Article in Journal/Newspaper |
author |
Usui, Akira Obinata, Ichio Ishizuka, Yoshikazu Okado, Tamio Fukuzawa, Hitoshi Kanba, Shigenobu |
spellingShingle |
Usui, Akira Obinata, Ichio Ishizuka, Yoshikazu Okado, Tamio Fukuzawa, Hitoshi Kanba, Shigenobu Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
author_facet |
Usui, Akira Obinata, Ichio Ishizuka, Yoshikazu Okado, Tamio Fukuzawa, Hitoshi Kanba, Shigenobu |
author_sort |
Usui, Akira |
title |
Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
title_short |
Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
title_full |
Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
title_fullStr |
Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
title_full_unstemmed |
Seasonal changes in human sleep–wake rhythm in Antarctica and Japan |
title_sort |
seasonal changes in human sleep–wake rhythm in antarctica and japan |
publisher |
Wiley |
publishDate |
2000 |
url |
http://dx.doi.org/10.1046/j.1440-1819.2000.00715.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1819.2000.00715.x https://onlinelibrary.wiley.com/doi/full-xml/10.1046/j.1440-1819.2000.00715.x |
long_lat |
ENVELOPE(139.931,139.931,-66.690,-66.690) |
geographic |
Antarctic Midwinter The Antarctic |
geographic_facet |
Antarctic Midwinter The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Psychiatry and Clinical Neurosciences volume 54, issue 3, page 361-362 ISSN 1323-1316 1440-1819 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1046/j.1440-1819.2000.00715.x |
container_title |
Psychiatry and Clinical Neurosciences |
container_volume |
54 |
container_issue |
3 |
container_start_page |
361 |
op_container_end_page |
362 |
_version_ |
1800741178445922304 |