"In this duology opener, award-winner Williams' rich worldbuilding supports an action-packed fantasy that features original character dynamics and a thoughtful exploration of themes of invisible prisons, lost identity, and belonging... A complex and riveting tapestry." --Kirkus (starred review)

"[A] compulsively readable and original YA fantasy." --The Guardian

"Dual perspective narration, an expansive 12-god religious system, and complex magical rules are all made more accessible by intriguing characters and a lyrical tone with immersive imagery." --Booklist

"Refined omniscient third-person narration deftly conveys a complexly wrought world shaped by divine manipulation and populated by eerie, inventive creatures, while slow-burning romantic elements simmer in the background." --Publishers Weekly

"[A] smooth exceptionally well-crafted novel with a darkly, deliciously awkward love triangle between Elver, Artair, and Lucian. Readers will be thrilled to see that Williams has laid the groundwork for a promising sequel even as she deftly wraps up the main plot." --The Bulletin of the Center for Children's Books

"The Sleepless is a fresh, vibrant, uniquely compelling read filled with fascinating characters in a beautifully intricate world that I couldn't get enough of. I could not put it down." --Abigail Owen, #1 New York Times bestselling author of The Games Gods Play