Microsoft Triple Peak: https://www.microsoft.com/en-us/worklab/triple-peak-day Social Pressure in Soccer: https://www.semanticscholar.org/paper/Animal-Spirits-in-the-Beautiful-Game.-Testing-in-Cueva/3c9bc0a084c18acf164132b74de28b6ea4dc62bd Soccer Brings Nations together: https://www.aeaweb.org/articles?id=10.1257/aer.20180805 Pay's impact on motivation article: https://pubsonline.informs.org/doi/pdf/10.1287/mnsc.1120.1683 CEOs and Birth Order: https://journals.aom.org/doi/abs/10.5465/amj.2017.0790 Dark motives behind brain teaser interview questions: https://www.researchgate.net/publication/327502211_Dark_Motives_and_Elective_Use_of_Brainteaser_Interview_Questions