Hormones and Sleep

Understanding the crucial role of testosterone in regulating red blood cells and hemoglobin levels reveals why fatigue and poor sleep often go hand in hand. When blood oxygen levels drop, the brain reacts by releasing cortisol, disrupting deep sleep. Additionally, fasting isn't a one-size-fits-all solution; it can benefit those with stable blood sugar but may exacerbate issues for others, particularly young women with reactive blood sugar levels.