Packing your electric toothbrush or razor? Make sure you either take the batteries out or tape the item's switch in the "off" position. Battery-powered devices can easily turn on after being jostled around in a carry-on, which can in turn draw the attention of security. Play it safe and pack your batteries separately from your battery-powered items.
If you don’t like a country’s customs, remain open minded, rather than immediately jumping to conclusions that you’re right and it’s wrong. Ask questions, research more, and listen to other peoples’ point of view. And don’t let your bad experiences taint an entire country — if you had a crap time somewhere, it doesn’t mean that the country sucks or it’s not safe. Maybe it was just bad luck.
What happens if you arrive in a city, go to grab your email confirmation for your accommodation, and your phone and laptop are out of battery? I always make sure I have a hard copy of my guesthouse name and their address, as well as directions if I won’t be taking a taxi. Once I arrive, I’ll grab one of the hotel’s business cards, so I’ll always know where I’m staying, and can show it to locals to ask for help with finding my way back.
It’s a far cry from doctors’ typical jet lag tips ― like avoiding caffeine and alcohol before you try to sleep, slowly adjusting your sleep schedule to a new time zone or even using small doses of melatonin to help fall asleep when your body typically wouldn’t want to, the study’s author Cristina Ruscitto, a researcher in the Department of Psychology at the University of Surrey (and former long-haul air crew member), told The Huffington Post. The idea is, she said, “that you readjust by eating in line with local time ― not just sleeping on local time.” This revelation could be an easy fix for jet lagged travelers everywhere. 
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