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Improve Sleep--deep and rem with diabetes

As an adult male with Type2 diabetes taking two types of insulin (Lantus-slow acting; Humalog-fast acting) have there been any studies done connecting low (or high) blood sugars (or even lowering A1c) to improving one's quality of sleep architecture including: 1) Deep Sleep and REM Sleep? 2) Because a non-diabetic's metabolizes energy (glucose) differently during the first part of the night vs the second part of the night--how is that different then a person with diabetes that injects insulin? 3) Using a DexCom6 CGM I occasionally experience hypoglycemic--does hypoglycemia affect the quality of Deep Sleep or REM Sleep more? Or both equally? 4) Would you consider doing a Huberman Lab podcast devoted to people with Type2 and Type1 diabetes?

Reducing sorenees from ultramarathon training

I'm about to start a training cycle for a 100K race in spring 2023. I'll be increasing my weekly mileage to ~60mi/week and running lots of trails to replicate the ~13,000ft of elevation gain on the course. I've been running consistently since early 2020 (at the start of COVID) and I'm always battling soreness. I've tried the Theragun, Normatec, 5-10min of nightly stretching, and ice baths after long runs, but I still find that I'm extremely sore. Do you have any tips on how to reduce soreness from lots of running? Thanks for your awesome podcast 🙏

Heart Rate Variability (HRV)

What is your understanding of a healthy range for heart rate variability in healthy individuals? How much stress should be put into HRV if you have a lower than average range, and what can you do to increase it into better range?

Sleep, coffeine intake

Usually, I wake up early in the morning, but I am staying in bed for one more hour. The time for the first caffeine intake is from the first opening of the eyes? or after I leave my bed?

Accumulation of mental fatigue across timescales

Mental fatigue accumulates across various timescales from hours (requiring rest in the evenings), to days (rest on the weekends), to weeks (requiring the occasional break of >7 days). Can we train to build up resistance against this fatigue? What is the mechanism behind this? What can we do to get more out of our work, out of our rest?