מחקרים על מכשירי אלפא-סטים ושיטת הטיפול לטיפול בנדודי שינה

Heffernan, Michael. Comparative effects of microcurrent stimulation on EEG spectrum and correlation dimension. Integrative Physiological and Behavioral Science, 31(3):202-209, 1996

Schroeder, M.J., and Barr, R.E. Quantitative analysis of electroencephalogram during cranial electrotherapy stimulation. Clinical Neurophysiology. 112:2075-2083, 2001. Doctoral dissertation, The Graduate School of the University of Texas at Austin, 191 pages, 1999

Lande, R. Gregory and Gragnani, Cynthia. Efficacy of cranial electric stimulation for the treatment of insomnia: A randomized pilot study. Complementary Therapies in Medicine, epublished ahead of print, http://dx.doi.org/10.1016/j.ctim.2012.11.007. 2012