REFERENCES: • AFONSO, P., FONSECA, M., & PIRES, J.F., 2017. Impact of working hours on sleep and mental health. Occupational Medicine. 67(5), pp. 377–382. • ALTINDAĞ, E. & SILLER, F., 2014. Effects of Flexible Working Method on Employee Performance: An Empirical Study in Turkey. Business and Economics Journal. 5. • ALTINDAG, E.A. & SILLER, F., 2014. Effects of Flexible Working Method on Employee Performance: An Empirical Study in Turkey. Business and Economics Journal. 5(3). • AUGUSTIN, S., 2015. The Surprising Effect of Color on Your Mind and Mood. . Psychology Today. (Accessed: 25 June 2020) Available at: https://www.psychologytoday.com/blog/people-places-and-things/201504/thesurprising-effect-color-your-mind-and-mood. • AUGUSTIN, S., 2020. Pick a Green, Almost Any Green. Psychology Today. (Accessed: 8 August 2020) Available at: https://www.psychologytoday.com/blog/people-places-and-things/202005/pickgreen-almost-any-green. • BACEVICE, P., BUROW, L., & TRIEBNER, M., 2016. 7 Factors of Great Office Design. Harvard Business Review. • BAHAMMAM, A.S., ALMESTEHI, W., ALBATLI, A., & ALSHAYA, S., 2011. Distribution of chronotypes in a large sample of young adult Saudis. Annals of Saudi Medicine. 31(2), pp. 183–186. • BARCHARD, K.A. & WILLIAMS, J., 2008. Practical advice for conducting ethical online experiments and questionnaires for United States psychologists. Behavior Research Methods. 40(4), pp. 1111–1128. • BATH, 2020. Flexi-time and how to use it. . University of Bath. (Accessed: 7 August 2020) Available at: https://www.bath.ac.uk/guides/flexi-time-and-how-to-use-it/. • BAUER, S. & MAYLANDER, A., 1919. The Road to the Eight-Hour Day. Monthly Labor Review. 9(2), pp. 41–65.56 • BEECHAM, S., A, N.B., A, T.H., B, H.R., & B, H.S., 2007. Motivation in Software Engineering: A systematic literature review. • Benefits of a Shorter Work Week. , 2018. Ohio University. (Accessed: 15 July 2020) Available at: https://onlinemasters.ohio.edu/blog/benefits-of-a-shorter-work-week/. • BERNSTEIN, E.S. & TURBAN, S., 2018. The impact of the ‘open’ workspace on human collaboration. Philosophical Transactions of the Royal Society B: Biological Sciences. 373(1753), p. 20170239. • BLOOMER, E., n.d. The impact of physical environments on employee wellbeing, p. 23. • BOEHM, B.W., PENEDO, M.H., STUCKLE, E.D., WILLIAMS, R.D., PYSTER, A.B., and SOUND, D., 1984. A Software Development Environment for Improving Productivity. Computer), pp. 30–44. • BOLINO, M.C., KELEMEN, T.K., and MATTHEWS, S.H., 2020. Rethinking Work Schedules? Consider These 4 Questions. Harvard Business Review. • BRONWYN, B., PATRICK, D., and DEVINE KAREN, 1994. Writing@CSU. . Available at: https://writing.colostate.edu. • BRYSON, A. & FORTH, J., 2007. Productivity and Days of the Week. Royal Society for the encouragement of Arts, p. 32. • BUREAU OF LABOR STATISTICS, 2015. Percent of population who worked on weekdays and weekend days. • CALIFORNIA STATE UNIVERSITY, 2020. PPA 696 RESEARCH METHODS. . California State University Web Page. Available at: https://web.csulb.edu/~msaintg/ppa696/696codes.htm. • CANDIDO, C., CHAKRABORTY, P., & TJONDRONEGORO, D., 2019. The Rise of Office Design in High-Performance, Open-Plan Environments. Buildings. 9(4), p. 100. • CARMICHAEL, S.G., 2013. Research: Cubicles Are the Absolute Worst. Harvard Business Review. • CHATTU, V.K., MANZAR, MD.D., KUMARY, S., BURMAN, D., SPENCE, D.W., & PANDI-PERUMAL, S.R., 2018. The Global Problem of Insufficient Sleep and Its Serious Public Health Implications. Healthcare, 7(1).57 • CHELLAPPA, S.L., MORRIS, C.J., & SCHEER, F.A.J.L., 2019. Effects of circadian misalignment on cognition in chronic shift workers. Scientific Reports. 9(1), p. 699. • CIPD, 2019. Flexible Working in the UK. London. • CLAES, M., MÄNTYLÄ, M., KUUTILA, M., & ADAMS, B., 2018. Do Programmers Work at Night or During the Weekend? Proceedings of the 40th International Conference on Software Engineering), pp. 705–715. • CLAYTON, S.D., 2012. The Oxford Handbook of Environmental and Conservation Psychology. OUP USA. • CONE, E. & GREGORY, A., 2006. When the walls come down How smart companies are rewriting the rules of the open workplace. New York. • DEGW, THE CENTRE FOR BUILDING, PERFORMANCE AND DIAGNOSTICS AT CARNEGIE MELLON UNIVERSITY AND, and DEGW DEGW, 2005. The impact of office design on business performance. Commission for Architecture & the Built Environment and the British Council for Offices, p. 81. • DOLTON, P., 2017. Working hours: Past, present, and future. University of Sussex and NIESR, UK, and IZA, Germany. • DZULKIFLI, M.A. & MUSTAFAR, M.F., 2013. The Influence of Colour on Memory Performance: A Review. The Malaysian Journal of Medical Sciences: MJMS. 20(2), pp. 3–9. • EDITORS, H. COM, 2009. Ford factory workers get 40-hour week. . HISTORY. (Accessed: 7 August 2020) Available at: https://www.history.com/this-day-inhistory/ford-factory-workers-get-40-hour-week. • ELLIOT, A.J., MAIER, M.A., MOLLER, A.C., FRIEDMAN, R., & MEINHARDT, J., 2007. Color and psychological functioning: The effect of red on performance attainment. Journal of Experimental Psychology: General. 136(1), pp. 154–168. • EMSLIE, C. & HUNT, K., 2009. ‘Live to Work’ or ‘Work to Live’? A Qualitative Study of Gender and Work–life Balance among Men and Women in Mid-life. Gender, Work & Organization. 16(1), pp. 151–172. • Ergonomic guide to computer based workstations, 2012, p. 19. • FACER-CHILDS, E.R., CAMPOS, B.M., MIDDLETON, B., SKENE, D.J., & BAGSHAW, A.P., 2019. Circadian phenotype impacts the brain’s resting-state 58 functional connectivity, attentional performance, and sleepiness. Sleep. 42(5), p. zsz033. • FAGERHOLM, F., IKONEN, M., KETTUNEN, P., MÜNCH, J., ROTO, V., & ABRAHAMSSON, P., 2015. Performance Alignment Work: How software developers experience the continuous adaptation of team performance in Lean and Agile environments. Information and Software Technology. 64, pp. 132–147. • Figure 2. Economic costs of insufficient sleep across five OECD..., n.d. • FINCHAM, J.E., 2008. Response Rates and Responsiveness for Surveys, Standards, and the Journal. American Journal of Pharmaceutical Education. 72(2). • GABRIEL, J. & ASAWO, S., 2017. Physical workplace environment and employee engagement: A theoretical exploration by Madu, N. G., Asawo, S. P. and Gabriel, J.M.O. International Journal of Arts and Humanity. 1, pp. 867–884. • GINO, F. & STAATS, B., 2015. It’s the Weekend! Why Are You Working? Harvard Business Review. • GLAVESKI, S., 2018. The Case for the 6-Hour Workday. Harvard Business Review. • GOLDEN, L., 2012. The Effects of Working Time on Productivity and Firm Performance, Research Synthesis Paper by Lonnie Golden: SSRN. Pennsylvania State University - Abington College; Economic Policy Institute; Project for Middle Class Renewa, p. 43. • GOLDEN, L., LAMBERT, S., HENLY, J., & WIENS-TUERS, B., 2010. Working Time in the Employment Relationship: Perceived Control and Work-Life Balance. Research Handbook on the Future of Work and Employment Relations. • GOSWAMI, R., 2012. Shift work and its effects on social and personal life of shift workers. International Journal of Research in Management, Economics and Commerce. 2. • GOUDSWAARD, A., DHONDT, S., VERGEER, R., OEIJ, P., DE LEEDE, J., VAN ADRICHEM, K., CSIZMADIA, P., MAKO, C., ILLESY, M., & TOTH, A., 2012. Organisation of working time: Implications for productivity and working conditions - Overview Report. European Foundation for the Improvement of Living and Working Condiditons, p. 72.59 • HAAR, J., 2018. Final Perpetual Guardian report_Professor Jarrod Haar_July 2018, p. 12. • HANSIKA, W.A.M. & AMARATHUNGA, P.A.B.H., 2016. Impact of Office Design on Employees’ Productivity; A Case Study of Banking Organizations of North Western Province in Sri Lanka. SSRN Electronic Journal. • HARRINGTON, J.M., 2001. Health effects of shift work and extended hours of work. Occupational and Environmental Medicine. 58(1), pp. 68–72. • HAYES, R., KYER, B., & WEBER, E., 2015. The Case Study Cookbook. • HAYNES, B., SUCKLEY, L., & NUNNINGTON, N., 2017. Workplace productivity and office type: An evaluation of office occupier differences based on age and gender. Journal of Corporate Real Estate. 19(2), pp. 111–138. • HOSKINS, D., 2014. Employees Perform Better When They Can Control Their Space. Harvard Business Review. • ILO, 2019. Guide to developing balanced working time arrangements. Geneva, Switzerland: International Labour Organization. • IOFRIDA, N., DE LUCA, A.I., STRANO, A., & GULISANO, G., 2014. Social Life Cycle Assessment in a constructivist realism perspective: a methodological proposal. ResearchGate. Presented at Macombe C. and Loeillet D. (eds). Social LCA in progress. Pre-Proceedings of the 4th International Seminar in Social LCA, Montpellier, France. • İŞ KANUNUNA İLİŞKİN ÇALIŞMA SÜRELERİ YÖNETMELİĞİ, 2004, 2004-6-4. • JENSEN, R.W., DUPAIX, L., & WOOLSEY, M., 2008. Software Development Cost Estimating Handbook. Naval Center for Cost Analysis Air Force Cost Analysis Agency. 1. • JOHNSON, B., ZIMMERMANN, T., & BIRD, C., 2019. The Effect of Work Environments on Productivity and Satisfaction of Software Engineers. IEEE Transactions on Software Engineering), pp. 1–1. • KAMARULZAMAN, N., SALEH, A.A., HASHIM, S.Z., HASHIM, H., & ABDULGHANI, A.A., 2011. An Overview of the Influence of Physical Office Environments Towards Employee. Procedia Engineering, 20), pp. 262–268.60 • KAZEMI, R., HAIDARIMOGHADAM, R., MOTAMEDZADEH, M., GOLMOHAMADI, R., SOLTANIAN, A., & ZOGHIPAYDAR, M.R., 2006. Effects of Shift Work on Cognitive Performance, Sleep Quality, and Sleepiness among Petrochemical Control Room Operators. Journal of Circadian Rhythms. 14. • KAZEMI, R., MOTAMEDZADE, M., GOLMOHAMMADI, R., MOKARAMI, H., HEMMATJO, R., & HEIDARIMOGHADAM, R., 2018. Field Study of Effects of Night Shifts on Cognitive Performance, Salivary Melatonin, and Sleep. Safety and Health at Work. 9(2), pp. 203–209. • KELLEY, K., CLARK, B., BROWN, V., & SITZIA, J., 2003. Good practice in the conduct and reporting of survey research. International Journal for Quality in Health Care. 15(3), pp. 261–266. • KEOGAN, J., 2020. Research Philosophy & Purpose. • KHAN, R., SURTI, A., REHMAN, R., and ALI, U., 2012. Knowledge and practices of ergonomics in computer users. J Pak Med Assoc. 62(3), p. 5. • KIM, J. & DE DEAR, R., 2013. Workspace satisfaction: The privacy-communication trade-off in open-plan offices. Journal of Environmental Psychology. 36, pp. 18–26. • KINGSLEY, A., 2012. THE IMPACT OF OFFICE ERGONOMICS ON EMPLOYEE PERFORMANCE; A CASE STUDY OF THE GHANA NATIONAL PETROLEUM CORPORATION (GNPC), p. 76. • KWALLEK, N., LEWIS, C.M., & ROBBINS, A.S., 1988. Effects of Office Interior Color on Workers’ Mood and Productivity. Perceptual and Motor Skills. 6(1), pp. 123–128. • LEBLEBICI, D., 2012. IMPACT OF WORKPLACE QUALITY ON EMPLOYEE’S PRODUCTIVITY: CASE STUDY OF A BANK IN TURKEY. Journal of Business, p. 12. • LORING MOSS, R. & CURTIS, T.D., 1985. The economics of flextime. Journal of Behavioral Economics. 14(2), pp. 95–114. • LYONS, M., LAVELLE, K., & SMITH, D., 2017a. U.S. EDITION GEN Z RISING. • LYONS, M., LAVELLE, K., & SMITH, D., 2017b. FRANCE EDITION GEN Z RISING. • LYONS, M., LAVELLE, K., & SMITH, D., 2017c. 2017 EDITION GEN Z RISING.61 • MARBERRY, S.O. & ZAGON, L., 1995. The Power of Color: Creating Healthy Interior Spaces. John Wiley & Sons. • MARUTHAPPAPANDIAN, J., CHELLAIYAN, V., ALI, F.L., & AVINASH, D., 2019. Healthy workplace with ergonomics among software engineers: a review. International Journal Of Community Medicine And Public Health. 6, p. 4605. • MEDNICK, S.C., NAKAYAMA, K., CANTERO, J.L., ATIENZA, M., LEVIN, A.A., PATHAK, N., & STICKGOLD, R., 2002. The restorative effect of naps on perceptual deterioration. Nature Neuroscience. 5(7), pp. 677–681. • MEYER, A., BARR, E.T., BIRD, C., & ZIMMERMANN, T., 2019. Today was a Good Day: The Daily Life of Software Developers. IEEE Transactions on Software Engineering), pp. 1–1. • MICHAELIDOU, N. & DIBB, S., 2006. Using email questionnaires for research: Good practice in tackling non-response. Journal of Targeting, Measurement and Analysis for Marketing. 14, pp. 289–296. • MILLS, P.R., TOMKINS, S.C., & SCHLANGEN, L.J., 2007. The effect of high correlated colour temperature office lighting on employee wellbeing and work performance. Journal of Circadian Rhythms. 5, p. 2. • MURPHY, G.C., KERSTEN, M., ELVES, R., & BRYAN, N., 2019. Enabling Productive Software Development by Improving Information Flow. In: C. Sadowski and T. Zimmermann, eds. Rethinking Productivity in Software Engineering), pp. 281–292. • MURPHY-HILL, E., JASPAN, C., SADOWSKI, C., SHEPHERD, D.C., PHILLIPS, M., WINTER, C., DOLAN, A.K., SMITH, E.K., & JORDE, M.A., 2019. What Predicts Software Developers’ Productivity? Transactions on Software Engineering. • NZWRI, 2018. It’s official: Four-day week becomes permanent at Kiwi company Perpetual Guardian - New Zealand Work Research Institute. (Accessed: 7 August 2020) Available at: https://workresearch.aut.ac.nz/media-and-events/mediamentions/its-official-four-day-week-becomes-permanent-at-kiwi-companyperpetual-guardian. • OKSAY, Y., 2018. Yazılım Sektörü 50 Milyar $’a Koşuyor – TBD Türkiye Bilişim Derneği. . Türkiye Bilişim Derneği/Turkish Informatics Association. (Accessed: 15 62 July 2020) Available at: https://www.tbd.org.tr/yazilim-sektoru-50-milyar-akosuyor/. • OWEN, J.D., 1977. Flexitime: Some Problems and Solutions. Industrial and Labor Relations Review. 30(2), pp. 152–160. • ÖZTÜRK, E., 2010. THE EFFECTS OF COLOR SCHEME ON THE APPRAISAL OF AN OFFICE ENVIRONMENT AND TASK PERFORMANCE, p. 145. • PENCAVEL, J., 2015. The Productivity of Working Hours. The Economic Journal. 125(589), pp. 2052–2076. • PRICE, M., 2011. The risks of night work. American Psychological Association. 42(1), p. 38. • RAVINDRAN, D., 2019. Ergonomic Impact on Employees’ Work Performance. 6, pp. 237–242. • ROELOFSEN, C., 2002. The impact of office environments on employee performance: The design of the workplace as a strategy for productivity enhancement. Journal of Facilities Management. 1, pp. 247–264. • ROSENBERG, J., MAXIMOV, I.I., RESKE, M., GRINBERG, F., & SHAH, N.J., 2014. “Early to bed, early to rise”: Diffusion tensor imaging identifies chronotypespecificity. NeuroImage. 84, pp. 428–434. • SARODE, D.A.P. & SHIRSATH, M., 2012. The Factors Affecting Employee Work Environment & It’s Relation with Employee Productivity. 3(11), p. 3. • SATO, K., KURODA, S., & OWAN, H., 2020. Mental health effects of long work hours, night and weekend work, and short rest periods. Social Science & Medicine.246, p. 112774. • SEDDIGH, A., STENFORS, C., BERNTSSON, E., BÅÅTH, R., SIKSTRÖM, S., & WESTERLUND, H., 2015. The association between office design and performance on demanding cognitive tasks. Journal of Environmental Psychology. 42, pp. 172–181. • SEPPÄNEN, O., FISK, W., & LEI-GOMEZ, Q., 2006. Effect of temperature on task performance in office environment. Presented at 5th International Conference on Cold Climate Heating, Ventilating and Air Conditioning, 3Lawrence Berkeley National Laboratory, USA.63 • SETIA, M.S., 2016. Methodology Series Module 3: Cross-sectional Studies. Indian Journal of Dermatology. 61(3), pp. 261–264. • SHEEHAN, K.B., 2001. E-mail Survey Response Rates: a Review. Journal of Computer-Mediated Communication.6(2). • SHIELDS, M., 2002. Shift work and health. Health Statistics Division at Statistics Canada,.13(4), pp. 11–33. • SHIKDAR, A. & AL KINDI, M., 2007. Office Ergonomics: Deficiencies in Computer Workstation Design. International journal of occupational safety and ergonomics: JOSE. 13, pp. 215–23. • STOREY, M.-A., ZIMMERMANN, T., BIRD, C., CZERWONKA, J., MURPHY, B., & KALLIAMVAKOU, E., 2019. Towards a Theory of Software Developer Job Satisfaction and Perceived Productivity. IEEE Transactions on Software Engineering), pp. 1–1. • SUNDSTROM, E., BURT, R.E., & KAMP, D., 1980. Privacy at Work: Architectural Correlates of Job Satisfaction and Job Performance. Academy of Management Journal. 23(1), pp. 101–117. • The Costs of Insufficient Sleep, 2016. RAND Corporation. • UNC, 2020. Office Ergonomics. . The University of North Carolina. (Accessed: 7 August 2020) Available at: https://ehs.unc.edu/workplace-safety/ergonomics/office/. • WAGNER, S. & RUHE, M., 2018. A Systematic Review of Productivity Factors in Software Development. arXiv:1801.06475 (cs). • WIRTZ, A., NACHREINER, F., & ROLFES, K., 2011. Working on Sundays–Effects on Safety, Health, and Work-life Balance. Chronobiology International. 28(4), pp. 361–370. • WYON, D. & WARGOCKI, P., 2006. Room temperature effects on office work. Creating the Productive Workplace, pp. 181–192. • YAZIS, M. & ALI BASAH, M.Y., 2020. CORPORATE SOCIAL RESPONSIBILITY AND NATURAL ENVIRONMENTAL RISK MANAGEMENT IN THE CONTEXT OF THE BANKING SECTOR OF MALAYSIA