Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12995
Title: The effects of caffeine abstinence on sleep : a pilot study
Authors: Ho, SC
Chung, JWY
Keywords: Caffeine
Coffee
Evidence-based practice
Sleep hygiene
Sleep promotion
Issue Date: 2013
Publisher: W B Saunders Co-Elsevier Inc
Source: Applied nursing research, 2013, v. 26, no. 2, p. 80-84 How to cite?
Journal: Applied Nursing Research 
Abstract: Aim: The aim of this study was to examine whether caffeine abstinence in the evening could improve the sleep quality of those who habitually consume coffee. Design: A double-blind control group design (caffeine and caffeine-free groups). Setting: A university. Subjects: A convenience sampling of 10 students (mean age 21.4. years). Methods: It was a 14-day experiment. For the first 7. days, all participants consumed caffeinated coffee. In the following 7. days, subjects consumed caffeinated or decaffeinated coffee according to their assigned group. Measures: Sleep-wake parameters, self-reported sleep quality and level of refreshment. Results: There were no significant differences (p>. 05) among the data of the two groups identified. No significant changes (p>. 05) were found in the sleep quality of either group during the study. Conclusion: This study confirms that caffeine abstinence in the evening might not be helpful in sleep promotion. It highlights the need to implement evidence-based practice in health promotion.
URI: http://hdl.handle.net/10397/12995
ISSN: 0897-1897
DOI: 10.1016/j.apnr.2012.08.004
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