Energy drink intake is associated with insomnia and decreased daytime functioning in young adult females

Gina Trapp, Miriam Hurworth, Peter Jacoby, Kathleen Maddison, Karina Allen, Karen Martin, Hayley Christian, Gina Ambrosini, Wendy Oddy, Peter Eastwood

Research output: Contribution to journalArticle


Objective: To investigate the association between energy drink (ED) use and sleep-related disturbances in a population-based sample of young adults from the Raine Study. Design: Analysis of cross-sectional data obtained from self-administered questionnaires to assess ED use and sleep disturbance (Epworth Sleepiness Scale, Functional Outcomes of Sleep Questionnaire (FOSQ-10) and the Pittsburgh Sleep Symptoms Questionnaire-Insomnia (PSSQ-I)). Regression modelling was used to estimate the effect of ED use on sleep disturbances. All models adjusted for various potential confounders. Setting: Western Australia.Participants:Males and females, aged 22 years, from Raine Study Gen2-22 year follow-up.Results:Of the 1115 participants, 66 % were never/rare users (i.e. <once/month) of ED, 17·0 % were occasional users (i.e. >once/month to <once/week) and 17 % were frequent users (≥once/week). Compared with females, a greater proportion of males used ED occasionally (19 % v. 15 %) or frequently (24 % v. 11 %). Among females, frequent ED users experienced significantly higher symptoms of daytime sleepiness (FOSQ-10: β = 0·93, 95 % CI 0·32, 1·54, P = 0·003) and were five times more likely to experience insomnia (PSSQ-I: OR = 5·10, 95 % CI 1·81, 14·35, P = 0·002) compared with never/rare users. No significant associations were observed in males for any sleep outcomes. Conclusions: We found a positive association between ED use and sleep disturbances in young adult females. Given the importance of sleep for overall health, and ever-increasing ED use, intervention strategies are needed to curb ED use in young adults, particularly females. Further research is needed to determine causation and elucidate reasons for gender-specific findings.
Original languageEnglish
Number of pages10
JournalPublic Health Nutrition
Publication statusE-pub ahead of print - 29 Jul 2020

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