Sources

Primary sources

Every numeric or clinical recommendation on this site links back to one of these.

Founder & researcher · Updated 2026-05-15

Guidelines

Sleep architecture

Xie L et al. — Sleep drives metabolite clearance from the adult brain (Science, 2013)
Carskadon MA, Dement WC — Normal human sleep: an overview (Principles & Practice of Sleep Medicine, 6th ed.)

Jet lag & circadian rhythm

Eastman CI, Burgess HJ — How to travel the world without jet lag (Sleep Med Clin, 2009)
Herxheimer A, Petrie KJ — Melatonin for the prevention and treatment of jet lag (Cochrane Review)

Chronotype

Naps

Brooks A, Lack L — A brief afternoon nap following nocturnal sleep restriction: which nap duration is most recuperative? (Sleep, 2006)

Shift work

AASM Position Statement — Shift work and obstructive sleep apnea