Neuroscientist and professor at Stanford School of Medicine; hosts the Huberman Lab podcast (since 2021) and wrote the book Protocols
SleepHappiness8 ideas
Many of his numbers are his own rules of thumb; each line says what the research shows.
Checked 18 Oct 2026. Each line is in our own words, with where it was said and an independent study or guideline next to it. Ties: Paid scientific adviser to AG1, Eight Sleep, Function Health, Momentous, Reveri and WHOOP; his media company invests in some of the podcast’s sponsors.
The blueprint, line by line
Habit
Daylight outside within an hour of waking, 10 minutes or more (longer when it’s cloudy)
Guideline · Expert consensus 2022: bright light by day, daylight preferred, keeps the body clock on time. His minute counts are his own and have moved over the years (5 to 30 minutes by cloud cover); no study tested them Research
Costs: 10 to 30 minutes outside, no money; no sunglasses for this if it’s safe, never look straight at the sun
Habit
Wake up at the same time every day, within an hour, days off too
Guideline · In 61,000 UK Biobank adults wearing trackers, the most regular sleepers had 20 to 48 % lower mortality than the least regular. Observational; no trial has changed regularity and measured health Research
Costs: no money; an alarm on days off, a short nap instead of a lie-in
Habit
No bright or overhead lights between 22:00 and 04:00; only as much light as you need to move about safely
Guideline · Expert consensus 2022: keep evening light dim (under 10 lux at the eye from 3 hours before bed) and the bedroom dark. His 22:00 to 04:00 window is his own simplification Research
Costs: no money; lamps low down instead of ceiling lights, screens dimmed
For your blueprint
Afternoon crash? Try your first caffeine 90 to 120 minutes after waking; otherwise caffeine early is fine
Their own practice · His rule; no study has tested it. A 2024 review of the caffeine research found the reasoning behind it (adenosine still clearing, the cortisol peak) not supported, and no evidence that a delay prevents an afternoon crash. What is tested: caffeine late in the day costs sleep Research
Costs: no money; water first, coffee later in the morning
Habit
NSDR or yoga nidra: 10 minutes or more of guided deep rest, lying down, awake
Mixed evidence · A 2026 review of 73 yoga nidra studies found less stress, anxiety and low mood, but the studies were weak and the effects likely inflated; for sleep the certainty is very low. His “raises dopamine” claim rests on one 2002 brain-scan study Research
Costs: 10 to 30 minutes, free recordings (his own on YouTube and Spotify, or any yoga nidra script)
For your blueprint
Stressed right now? One to three physiological sighs: two breaths in through the nose, one long breath out through the mouth
Mixed evidence · Breathing exercises lower stress a little (12-trial meta-analysis). The sigh’s own trial is from his lab: 5 minutes a day for a month lifted mood more than meditation, but found no change in sleep or resting heart rate. The quick in-the-moment use was not tested Research
Costs: under a minute, no money
Habit
Cold exposure 11 minutes a week, in 2 to 4 short sessions, cold enough that you want to get out but can safely stay
Mixed evidence · The 11 minutes is what 7 Danish winter swimmers reported doing in one small study, not a tested dose. A 2025 review of 11 trials found better sleep quality and less stress after cold water, but not better mood; trials were few and small. Ice baths soon after strength training can blunt muscle gains Research
Costs: a cold shower costs nothing; an ice bath or plunge costs money. Never in open water alone, no forced breathing before or in water
Mixed evidence · In 2,315 Finnish men followed for 20 years, 31 % of those using a sauna 4 to 7 times a week died against 49 % of those going once a week, and the link held after adjusting for heart risk; observational. A review of 40 sauna studies found possible benefits but few, small trials. His hour comes from the same 7 winter swimmers as the cold line Research
Costs: a gym, pool or public sauna (80 to 100 °C); drink water. Not when pregnant; it lowers sperm count for a while
How to use this
Don't take all of it. Pick one or two lines that fit your week, try them for two weeks, and keep what works for you. That's what Vea is for: a weekly check-in that shows what each habit does for you.
Not an endorsement: these are our short summaries of what each person has published, with a link to the source. They have no connection to Vea. Ideas to try, not medical advice. On this list and want off? [email protected]