Effect of non-alcoholic beer on Subjective Sleep Quality in a university stressed population

Franco, L. and Bravo, R. and Galán, C. and Rodríguez, A.B. and Barriga, C. and Cubero, Javier (2014) Effect of non-alcoholic beer on Subjective Sleep Quality in a university stressed population. Acta Physiologica Hungarica, 101 (3). pp. 353-361. ISSN 0231-424X

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Abstract

Sleep deprivation affects the homeostasis of the physiological functions in the human organism. Beer is the only beverage that contains hops, a plant which has a sedative effect. Our objective is to determine the improvement of subjective sleep quality using the Pittsburgh Sleep Quality Index (PSQI). The sample was conducted among a population of 30 university students. The study took place during a period of 3 weeks, the first 7 days were used for the Control, and during the following 14 days the students ingested beer (were asked to drink non-alcoholic beer) while having dinner. The results revealed that Subjective Sleep Quality improved in the case of those students who drank one beer during dinner compared to the Control, this is corroborated by the fact that Sleep Latency decreased (p < 0.05) compared to their Control. The overall rating Global Score of Quality of Sleep also improved significantly (p < 0.05). These results confirm that the consumption of non-alcoholic beer at dinner time helps to improve the quality of sleep at night.

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