How much HIIT has to be done to achieve the benefits? I have moved to doing more Zone 2 training (thanks to you and Dr. Peter Attia). Is it enough to do 3 x 10 min sessions of HIIT at the end of my zone 2 workouts? For example 60-90 min zone 2 followed by 10 min HIIT such as 2 blocks of tabata? Thanks!!
Hello Dr. Huberman, you mentioned in the podcast with Dr. Layne Norton that fitness trackers (all the usual brands that we won't mention) are not accurate in counting calories expended. My fitness tracker tracks my sleep cycles but I was wondering if it is actually accurate. It gives me info on sleep cycles, sleep efficiency (time asleep/time in bed), and overall quality of sleep. Are standard popularized fitness trackers accurate in giving me this information? Thanks, Spencer