The transition from sea level to 5,000+ feet (or back) can cause headaches. It takes the body a day or two to adapt. I suspect this is a bigger source of jet-lag than any imaginary "time zone" changes.
Source: I've been going up into the mountains a lot lately, and for the first day headaches are hit or miss.
Blood clots, and high altitude are no joke.
Cabin pressure replicates 5k elevation
The transition from sea level to 5,000+ feet (or back) can cause headaches. It takes the body a day or two to adapt. I suspect this is a bigger source of jet-lag than any imaginary "time zone" changes.
Source: I've been going up into the mountains a lot lately, and for the first day headaches are hit or miss.
It works cools in reverse. I live in the mountains, when I leave I have more stamina.
Generally what attitude do you live?