Fernstrom JD. Large neutral amino acids: dietary effects on brain neurochemistry and function. Amino Acids. 2013 Sep;45(3):419-30.
Thakkar MM, Sharma R, Sahota P. Alcohol disrupts sleep homeostasis. Alcohol. 2014 Nov. pii: S0741-8329(14)20115-7
Bartel KA, Gradisar M, Williamson P. Protective and risk factors for adolescent sleep: A meta-analytic review. Sleep Med Rev. 2014 Sep 16. pii: S1087-0792(14)00092-6
Wurtman RJ, Wurtman JJ, Regan MM, McDermott JM, Tsay RH, Breu JJEffects of normal meals rich in carbohydrates or proteins on plasma tryptophan and tyrosine ratios. Am J Clin Nutr. 2003 Jan;77(1):128-32.
Lemma S, Patel SV, Tarekegn YA, Tadesse MG, Berhane Y, Gelaye B, Williams MA.The Epidemiology of Sleep Quality, Sleep Patterns, Consumption of Caffeinated Beverages, and Khat Use among Ethiopian College Students. Sleep Disord. 2012;2012:583510
Sanchez SE, Martinez C, Oriol RA, Yanez D, Castañeda B, Sanchez E, Gelaye B, Williams MA. Sleep Quality, Sleep Patterns and Consumption of Energy Drinks and Other Caffeinated Beverages among Peruvian College Students. Health (Irvine Calif). 2013 Aug;5(8B):26-35.
Lohsoonthorn V, Khidir H, Casillas G, Lertmaharit S, Tadesse MG, Pensuksan WC, Rattananupong T, Gelaye B, Williams MA. Sleep quality and sleep patterns in relation to consumption of energy drinks, caffeinated beverages, and other stimulants among Thai college students. Sleep Breath. 2013 Sep;17(3):1017-28.