A scientific guide to dreaming and sleeping, explaining how the mind interprets different sensory inputs and memory processing and relays them into dreams. Dream researcher, scientist, and author, Michelle Carr, does an excellent job of explaining the foundational elements of sleep, weaving in examples from her research at a sleep lab.

For me, the most valuable part of this book is learning more about the science of nightmares and understanding what makes people more predisposed to them. I also appreciated the concept that nightmares can also be associated with more positive traits, like having a higher sensitivity to emotional and sensory stimuli or being more open to perceptual experiences, which can make life more vivid as well. Much has been studied about sleep, sleep cycles, and dreams, but this is one of the few books I’ve found about nightmares.

Special thanks to Henry Holt & Company and NetGalley for providing an eARC in exchange for an honest, independent review.

Nightmare Obscura is a non fiction book that explores the science of dreaming. This book is based on factual evidence, which is what caught my attention. We all have dreams, but why do we have them? Why do we have nightmares and how does this affect our lives? Michelle Carr does research on these topics. While this book made me feel anxious at times, I found it to be very informative and thought provoking. It gave me a deeper understanding on how dreams work and why they matter!

While doing her research, she figures out the tools on how we can treat our nightmares. She does this by doing dream engineering! I learned a lot from this book and will try to have better, more restful sleep. This book is well written, data driven and was well researched. I give this book a 4 out of 5 stars!

Thank you to NetGalley, author and researcher Michelle Carr and Henry Holt & Company for this digital advanced reader’s copy of this book in exchange for my honest review. All thoughts and opinions are my own.

This book is set to be published on November 18, 2025!