I might daydream sometimes about hanging out in Constantinople during the reign of Justinian (only can we please skip the part with the bubonic plague turning the city into a disgusting slaughterhouse) but then I think no, that'd be nice for a week, but then I would want to go home to where there's running water and modern medicine and where I as a woman have voting rights and the right to own property and choose who - or if! - I marry, and what religion to belong or not belong to. The endless arguing about religion would get on my nerves pretty dang quickly.
Like, imagine having serious period-cramps in an era where painkillers weren't as readily available. Imagine giving birth in an era when the most popular method of making sure a woman survived the ordeal was a really hard prayer. Imagine getting serious tooth-pains in a society where dentistry was basically a set of pliers and some good luck.
And, as mentioned, the bubonic plague was a thing, and it liked to come back every 15-20 years and wipe out as many people as it could. And the bubonic plague was seriously a horror show. During the worst outbreak in Constantinople, they had to dig massive burial pits straight across the Golden Horn, and they still couldn't fit all the putrified bodies of the dead inside, because literally tens of thousands of people died. Some of them were just left... slowly liquefying in the streets.
I'm just gonna stay here in 21st century Sweden and count my blessings.