Many diet experts recommend eating small meals throughout the day as a method of weight loss. However, research suggests this is the wrong approach. With over half of American adults overweight or obese, diet and weight loss are huge industries in the United States and across the world. A wealth of often-conflicting information is offered […]
Memory Consolidation Linked to Specific Activity During Sleep
Do you have trouble sleeping? Do you have a poor memory? New research on memory consolidation suggests these two very different symptoms may be related. Difficulties with memory are a common problem, affecting almost 13 percent of people over the age of 60 years and a sizable proportion of younger people as well. While this common and […]
Our Ancestors Slept in Two Cycles, Should We?
Do you really need eight straight hours of sleep to feel healthy and well-rested? Evidence suggests that our ancestors flourished using a practice known as segmented sleep. Historians and biologists both investigated how we slept in the past, both to understand daily habits back then and to understand how we should be sleeping now. Interestingly, […]
Cortisol’s Role in the Synchronization of Your Circadian Rhythm
Most people associate cortisol with the “fight or flight” response. While this biochemical indeed functions as a stress hormone—and can have negative effects in excess—it is a necessary hormone for a variety of human biological functions. It is produced from cholesterol in the adrenal glands, which sit directly on top of the kidneys. It is released […]
The Science Behind the Dreaded Afternoon Slump
Afternoons are a sleepy time for many. Your mind is foggy, your eyelids heavy and your entire body yearns for a nap. This afternoon slump may be programmed into the human body. Although the Western world does not generally encourage napping for adults, many people are not as alert in the afternoon as they would […]
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