Is drinking caffeine on an empty stomach a no no? What about training fasted?

How to wake a muscle up

Do you have any advice on how to "wake a muscle up" so that it actually can start to gain some mass? I find it extremely difficult to target my VMOs, even with PT exercises, and the imbalance has caused knee pain

Pop Up "Nutrition drink stores"

Have you heard of the random nutrition drink stores popping up all over? They're these random stores that inhabit old buildings and are named "the nutrition spot"or something like that, and they sell protein shakes, fat burning teas, etc. There's one in my home town as well as other small towns nearby now but they arent the same company its like some sort of trend.

Do women need more sleep than men?

Recently I’ve been seeing online that men can get away with sleep 7 hours a night while women need 8 hours in order to feel great. Have you read research that agrees with this?

Caffeine intake time

I’ve seen Huberman and others state that you should delay your caffeine intake time until either 90 minutes after being up or [x] time after the sun rises. For those of us who wake up to go straight to the gym at 5am, is a caffeinated pre-workout a bad idea?