Start with high-confidence sleep books, then narrow by subgenre or adjacent topics.
No More Fatigue
Jack Challem
Say Good Night to Insomnia
Gregg D. Jacobs
Why We Sleep
Matthew Walker
THE BREATHING CURE
Patrick McKeown, Laird Hamilton
The Root Cause
Ryan P. Robinson, Dr. Ryan P. Robinson DDS
The Social Rhythm Therapy Workbook for Bipolar Disorder
Holly A. Swartz MD, Ellen Frank PhD
