The Strategy Skills Podcast: Management Consulting | Strategy, Operations & Implementation | Critical Thinking

Dr. John La Puma discusses how everyday environmental choices shape sleep, cognition, and long-term health. Drawing on research from medicine, neuroscience, and environmental science, he explains why many professionals unknowingly experience what he calls "cognitive drag," the gradual decline in mental clarity caused by indoor lifestyles, poor light exposure, and excessive screen use. A central theme of the conversation is the biological importance of natural light. Morning sunlight triggers a cortisol activation signal that helps set the body's circadian rhythm and supports deep sleep later in the night. Without that signal, the cycle of melatonin release and restorative sleep becomes disrupted. Even simple routines, such as spending time outside shortly after waking and obtaining brief midday sunlight to support vitamin D production, can help restore these rhythms. The discussion also examines how physical environments influence mental and physiological health. Dr. La Puma distinguishes between green spaces