That’s basically the same thing. When you feel sleepy, you aren’t at the end of your reserves. Your body tells you that you are sleepy at a time when you still have reserves.
Blocking these receptors doesn’t tap into any magic hidden energy, it just stops your body from telling you that you are running on fumes. Thus it allows you to go farther into your reserves. In extreme cases to the point where you collapse, because you really don’t have any reserves left.
Edit: Just to be clear, going into your reserves is not a good or healthy thing. It’s not some magical potential unlocker or something, but it’s running your body under circumstances it’s not made for. If you use caffeine when you really should be sleeping, that’s short-term ok, but can lead to some serious consequences in the long term.
That’s basically the same thing. When you feel sleepy, you aren’t at the end of your reserves. Your body tells you that you are sleepy at a time when you still have reserves.
Blocking these receptors doesn’t tap into any magic hidden energy, it just stops your body from telling you that you are running on fumes. Thus it allows you to go farther into your reserves. In extreme cases to the point where you collapse, because you really don’t have any reserves left.
Edit: Just to be clear, going into your reserves is not a good or healthy thing. It’s not some magical potential unlocker or something, but it’s running your body under circumstances it’s not made for. If you use caffeine when you really should be sleeping, that’s short-term ok, but can lead to some serious consequences in the long term.