A new Harvard study shows that indoor temperature can have a dramatic impact on our ability to be productive and learn. Temperature above 72 degrees seem to make us slower and less accurate.
Majid Fotuhi, MD PhD
Ref:
https://www.npr.org/sections/health-shots/2018/07/16/628521596/heat-making-you-lethargic-research-shows-it-can-slow-your-brain-too