1. The Buddhist tradition of Samatha: methods for refining and examining consciousness;Wallace;J. Conscious. Stud.,2010
2. Purpose and method of Vipassana meditation;Shinzen;J. Humanis. Psychol.,1994
3. A wandering mind is an unhappy mind;Killingsworth;Science,2010
4. Buddhist Forest Monasteries and Meditation Centres in Sri Lanka. A Guide for Foreign Buddhist Monastics and Lay Practitioners. http://www.buddhanet.net/pdf_file/Monasteries-Meditation-Sri-Lanka2013.pdf (Accessed on 11.07.2017).
5. Interactions between sleep, stress, and metabolism: from physiological to pathological conditions;Hirotsu;Sleep Sci.,2015