https://docs.google.com/forms/d/1ZNyGHl6vnHD62spZyHIqyvNM_Ts_82GvZQVdAr2LrGs/viewform
https://www.reddit.com/r/Nootropics/comments/3mhgkq/survey_of_modafinil_users/
https://www.reddit.com/r/afinil/comments/3mhgbs/modafinil_usage_survey_2015/
Pharmacogenetics of Modafinil After Sleep Loss: Catechol-O-Methyltransferase Genotype Modulates Waking Functions but Not Recovery Sleep
https://slatestarcodex.com/2014/02/16/nootropics-survey-results-and-analysis/
https://www.astralcodexten.com/p/nootropics-survey-2020-results
The Rise of Smart Drugs - What Is Modafinil & Modafinil Info - Performance-Enhancing Drugs in Universities and Corporations
Pharmacological Cognitive Enhancement among Non-ADHD Individuals: A Cross-Sectional Study in 15 Countries
2018-maier-gds-figure2-selfreportedcognitiveenhancement.jpg
The off-prescription use of modafinil: An online survey of perceived risks and benefits
Wikipedia Bibliography: