the book
The Book on Sleep Science That Inspired a Complete Sleep Optimization System
Take Back Your Sleep combines clinical medicine, sleep neuroscience, and practical recovery strategies to help adults improve restorative sleep, brain health, and long-term well-being.
In the book, we explore how modern life disrupts deep sleep and what individuals can do to restore it naturally through evidence-based strategies and nervous system support.
This Is Not a Sleep Book. It’s a Performance Strategy.
Join the Pre-Order List
About the Authors
Dr. Ana Casas, MD
Brain Longevity, Sleep Science, and Calm-Driven Performance
Dr. Ana Casas is a physician with over 30 years of experience in longevity medicine, brain health, and human performance.
Her work focuses on protecting cognitive function and extending brain longevity through deep sleep and nervous system regulation.
With decades of clinical experience and advanced training in sleep science, neuroscience, and EEG-based approaches, she has helped high-performing individuals restore clarity, calm, and decision-making capacity across the lifespan.
She challenges one of modern leadership’s most dangerous myths:
That exhaustion is the price of success.
&
Victoria Dhar, MSc.
Neuroscience, Emotional Regulation, and the Human Side of Performance
Victoria Dhar is co-creator of Waves 4 Longevity® and a specialist in neuroscience-based behavior change, emotional regulation, and brain health.
With advanced training in neuroscience, EEG analysis, and brainwave entrainment, she focuses on translating complex brain science into practical systems people can actually use.
Her work bridges the gap between science and real life, helping individuals regulate stress, improve sleep, and perform at a high level without burnout.
What began as a book evolved into a complete sleep optimization system.
Take Back Your Sleep App • The Waves 4 Longevity® Program
Designed to provide ongoing education, implementation tools, brainwave support, and personalized guidance for deeper restorative recovery.
“A manual written for the ones who do not just want to live, but want to feel alive, think clearly, recover deeply, and accomplish the goals that matter most to them.”
Victoria Dhar MSc.
Take Back Your Sleep will be available for pre-order in mid-August.
Be among the first to access the framework that is changing how high performers think about sleep, brain health, and performance.
Join the Pre-Order ListBulk Orders for Organizations
We offer bulk ordering options for companies, leadership teams, and events.
Contact Us To InquireWhat Readers and Clients Are Saying
“In this groundbreaking book, Dr. Ana Casas and her daughter, Victoria Dhar MSc, provide a practical, science-based approach to sleep, longevity, and optimal aging. As my longevity physician for many years, I give her much credit for my excellent health at age ninety-two. Together, Dr. Casas and Victoria are helping bring greater awareness to the powerful connection between deep sleep, brain health, and longevity.”
Hugh Jacks Retired President and CEO
BellSouth Corporation (now part of AT&T)
What Readers and Clients Are Saying
“I have known Dr. Ana Casas's work for many years through her extensive training in longevity medicine and advanced studies in our online educational programs. Together with Victoria Dhar, she has written an insightful book highlighting the essential role of restorative sleep in brain health, cognitive performance, vitality, and healthy aging. Take Back Your Sleep combines scientific knowledge with practical strategies that, I believe, will help people improve both their sleep and their quality of life.”
Thierry Hertoghe M.D.
President, The World Society of Anti-Aging Medicine (WOSAAM) and
President, The International Hormone Society (IHS)Author of The Hormone Handbook and Atlas of Endocrinology for Hormone Therapy
What Readers and Clients Are Saying
“Dr. Ana Casas and Victoria Dhar MSc. combine clinical experience, neuroscience research, and practical insight to present a powerful strategy for reclaiming the deep, restorative sleep modern life has disrupted. Take Back Your Sleep balances cutting-edge brain science with actionable solutions to improve health, performance, and longevity.
This eye-opening book reframes sleep not as a luxury, but as the biological foundation for cognitive clarity, resilience, productivity, and long-term brain health. Most importantly, it provides a realistic approach to achieving better sleep without sacrificing performance in today’s demanding world.”
Lin Rogers
Founder and Chairman, Rogers Electric
The largest self-performing electrical, lighting and data contractor in the United States
What Readers and Clients Are Saying
“It is with profound joy that I give my personal endorsement to Dr. Ana Casas and her daughter, Victoria, on their new book, “Take Back Your Sleep”.
Their research will have an incredible impact in Age Management Medicine and recovery through the healing powers of sleep.
A must read and apply!!!!”
Lee Haney
8 x Mr. Olympia
Founder of the International Association of Fitness Science