many people are jetlagged without traveling because of the way that they stay up late in fact most everybody in the world now qualifies as a shift worker Did you know that and here no disrespect only reverence and gratitude to the actual shift workers that stay up all night doing emergency work and Hospital work and caring for children and things like that throughout the night so I'm not trying to take anything away from them but we are all shifted Enough by virtue of artificial lighting and and uh electronic devices that we are effectively shifted and shift working because we're staying up engaging our cognitive systems in ways that frankly we didn't evolve to which I'm not saying is bad but it's just the reality