Dr. Stasha Gominak

Sleep is one of the most fundamental pillars of human health, yet millions of people struggle to get the restorative rest their bodies need. Many spend years searching for answers to persistent fatigue, frequent nighttime awakenings, difficulty staying asleep, or waking each morning feeling as exhausted as they did the night before. While stress, lifestyle, and medical conditions are well-recognized contributors to poor sleep, growing scientific interest has focused on another possible piece of the puzzle: nutritional health, particularly vitamin D.For decades, vitamin D was viewed primarily as the "bone vitamin," known mainly for helping the body absorb calcium and maintain strong bones. Today, researchers understand that its influence extends far beyond the skeleton. Vitamin D receptors are found throughout the body, including in the brain, immune system, muscles, and digestive tract, suggesting that this nutrient participates in a wide range of biological functions. Among the most intriguing areas of research is its possible relationship with healthy sleep.Neurologist Dr. Stasha Gominak has been at the forefront of this discussion. Through years of clinical practice and observation, she proposed that vitamin D may play a role in supporting healthy sleep by influencing brain function, the gut microbiome, and the production of certain B vitamins. Her ideas have inspired many patients and healthcare professionals to look beyond traditional approaches to sleep problems and consider the broader connections between nutrition and restorative rest. While some aspects of her hypothesis continue to be investigated and are not yet established as standard medical practice, her work has encouraged valuable scientific exploration into how multiple body systems interact to influence sleep quality.This book presents an evidence-informed overview of these fascinating ideas while distinguishing between established scientific knowledge and emerging research. Rather than promising a quick fix or miracle cure, it aims to help readers understand the complex biological processes that contribute to healthy sleep and how vitamin D may fit into that larger picture.Throughout these pages, you will learn why vitamin D is considered much more than a nutrient for bone health and how it may influence the brain's natural sleep-regulating systems. You will discover what constitutes a healthy vitamin D level, how sunlight and supplements compare as sources of this important nutrient, and how laboratory testing can help guide individualized care. The book also explores the biology of healthy sleep, including the stages of sleep, the importance of REM sleep, and the remarkable repair processes that occur throughout the night.Building on this foundation, the discussion turns to the fascinating relationship among vitamin D, the gut microbiome, and the B vitamins—an area of growing scientific interest inspired in part by Dr. Gominak's work. You will also find practical guidance for developing healthier sleep habits, supporting natural circadian rhythms, understanding the RightSleep Protocol, and making informed decisions about vitamin D and B12 supplementation. A comprehensive frequently asked questions section addresses many of the concerns people commonly have about vitamin D, sleep studies, gut health, and improving sleep naturally.