Sleep Patterns and Daytime Function in Adolescence: An Epidemiological Survey of an Italian High School Student Sample

2001 ◽  
pp. 132-147 ◽  
Author(s):  
Flavia Giannotti ◽  
Flavia Cortesi
Keyword(s):  
High School ◽  
High School Student ◽  
Epidemiological Survey ◽  
Sleep Patterns ◽  
Student Sample ◽  
Daytime Function

Understanding Adolescent Caffeine Use: Connecting Use Patterns With Expectancies, Reasons, and Sleep

2009 ◽  
Vol 37 (3) ◽  
pp. 330-342 ◽  
Author(s):  
Alison Bryant Ludden ◽  
Amy R. Wolfson
Keyword(s):  
High School ◽  
Cluster Analysis ◽  
High School Student ◽  
Daytime Sleepiness ◽  
Youth Culture ◽  
Energy Drinks ◽  
Student Sample ◽  
Use Patterns ◽  
Mixed Use ◽  
Reasons For Use

Little is known about adolescents’ caffeine use, yet caffeinated soda, and more recently coffee and energy drinks, are part of youth culture. This study examines adolescents’ caffeine use and, using cluster analysis, identifies three groups of caffeine users who differed in their reasons for use, expectancies, and sleep behaviors. In this high school student sample ( N = 197), 95% of participants reported recent caffeine use—most often soda—where typical first use of the day was in the evening. Results reveal that adolescents in the mixed use and high soda use groups consumed similar amounts of soda, reporting significantly more use than the low caffeine use group. In contrast with high soda users, mixed users drank more coffee, expected more dependence symptoms and energy enhancement from caffeine, and were more likely to report getting up early, daytime sleepiness, and using caffeine to get through the day.

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