COMASCO , E. ., NORDQUIST , N. ., GÖKTÜRK , C. ., ÅSLUND , C. ., HALLMAN , J. ., ORELAND , L. ., & NILSSON , K. W. . (2010). The clock gene PER2 and sleep problems: Association with alcohol consumption among Swedish adolescents. Upsala Journal of Medical Sciences, 115(1), 41–48. https://doi.org/10.3109/03009731003597127