Sleep Doctor: If You Wake Up At 3AM, DO NOT Do This!

TL;DR

Dr. Michael Breus explains that most sleep problems stem from misalignment with an individual's genetic chronotype (lion, bear, wolf, or dolphin—the fourth he claims to have discovered). He provides a 4-7-8 breathing technique, a "napa latte" protocol, and strict rules for middle-of-the-night waking (do not pee, do not check your phone, do not look at the clock) to lower heart rate and return to s

Key insights

• There are two separate brain systems governing sleep: sleep drive (adenosine accumulation) and sleep rhythm (circadian rhythm via melatonin). Caffeine and adenosine differ by one molecule, enabling ca
• Core body temperature naturally rises then drops to trigger melatonin release; the body must reheat between 1-3 AM, which is why everyone briefly wakes then—most return to sleep in 30 seconds, but tho
• The heart rate must be 60 or below to enter unconsciousness; getting out of bed, turning on lights, or checking a phone raises heart rate and disrupts sleep.