[en] Internal Time · Chronotypes, Social Jet Lag, and Why You’re So Tired Harvard University Press
[en] [Sam (Brick) Maxwell 06] • Black Star Rising Signet
[en] [Sam (Brick) Maxwell 03] • Black Star Signet
[en] Power Sleep Villard
[en] Night School Macmillan
[en] The Circadian Code Rodale Books
[en] Boundless · Upgrade Your Brain, Optimize Your Body & Defy Aging Victory Belt Publishing
[en] The Mystery of Sleep Yale University Press
[en] Change Your Schedule, Change Your Life EPB Harper Wave
[en] The Edgar Cayce Handbook for Health Through Drugless Therapy A.R.E. Press (Association of Research & Enlightenment)