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

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. 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. Western Australia. Males and females, aged 22 years, from Raine Study Gen2-22 year follow-up. Of the 1115 participants, 66 % were never/rare users (i.e. once/month to