Georgina Sa Trapp1,2, Miriam Hurworth1, Peter Jacoby1, Kathleen Maddison3,4, Karina Allen5,6,7, Karen Martin2, Hayley Christian1,2, Gina L Ambrosini1,2, Wendy Oddy8, Peter R Eastwood3,4. 1. Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia. 2. School of Population and Global Health, The University of Western Australia, Perth, Western Australia, Australia. 3. Centre for Sleep Science, School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia. 4. West Australian Sleep Disorders Research Institute, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia. 5. School of Psychology, The University of Western Australia, Perth, Western Australia, Australia. 6. Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. 7. Eating Disorders Service, Maudsley Hospital, South London and Maudsley NHS Foundation Trust, London, UK. 8. Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
Abstract
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.
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.
Entities:
Keywords:
Energy drinks; Females; Insomnia; Sleep; The Raine Study; Young adults
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