BTW in China, arrived <72 hours ago. Jumped straight to the time zone. Have slept my regular nights each night.
I’ve posted about this before but many years ago, my brother who travels frequently between Asia and the US said to me “I don’t do jet lag.” as if it is something that you can just opt out of. I thought he was nuts. He’s right. On my next trip, I decided to stop doing jet lag. Now I don’t do it.