![](/images/graphics-bg.png)
Salivary Melatonin Concentrations in a Sitting and a Standing Position
Joint Authors
Arata, Toshihiko
Kozaki, Tomoaki
Kubokawa, Ayaka
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-4, 4 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-09-24
Country of Publication
Egypt
No. of Pages
4
Main Subjects
Abstract EN
This study aimed to examine differences in salivary melatonin concentrations between the sitting and standing positions.
Ten subjects (age range: 20–22 years; 5 males and 5 females) participated in the study and provided written consent.
In the sitting condition, the subjects sat on a chair from 23:30 h to 1:00 h, whereas in the standing condition, the subjects sat on a chair from 23:30 h to 0:30 h and stood on the floor from 0:30 h to 1:00 h.
Saliva samples were obtained at 0:25 h and 1:00 h from all subjects.
The experiment was performed under a dim light condition (<10 lx).
No significant differences were observed in melatonin concentrations between the two positions at 0:25 h; however, melatonin concentrations in the standing condition were significantly greater than those in the sitting condition at 1:00 h.
These results show that melatonin secretion is significantly greater in the standing position than that in the sitting position.
American Psychological Association (APA)
Kozaki, Tomoaki& Arata, Toshihiko& Kubokawa, Ayaka. 2013. Salivary Melatonin Concentrations in a Sitting and a Standing Position. Journal of Hormones،Vol. 2013, no. 2013, pp.1-4.
https://search.emarefa.net/detail/BIM-456146
Modern Language Association (MLA)
Kozaki, Tomoaki…[et al.]. Salivary Melatonin Concentrations in a Sitting and a Standing Position. Journal of Hormones No. 2013 (2013), pp.1-4.
https://search.emarefa.net/detail/BIM-456146
American Medical Association (AMA)
Kozaki, Tomoaki& Arata, Toshihiko& Kubokawa, Ayaka. Salivary Melatonin Concentrations in a Sitting and a Standing Position. Journal of Hormones. 2013. Vol. 2013, no. 2013, pp.1-4.
https://search.emarefa.net/detail/BIM-456146
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-456146