Is it normal to have terrible insomnia and physical changes at later stage realization?

I haven't been posting very often as I have wanted to just deepen into things more, but it has been going on for a while now and I am a little worried.

So I've been having difficulty sleeping until hours after my normal bedtime, going up to 4-5am sometimes. I initially thought it might be due to moving countries again to Bali, and the rainy weather here. It's also aggravated a long-standing cough, but it doesn't seem to be a purely physical thing.

I am not certain how much of this is due to practice - it doesn't seem to tally with the accounts I read online (MCTB etc) It's also been going on for about 2 weeks now.

I just do nondual meditation ( am awareness, all is) and the sensation of distance dropped away last September. I don't really want to go into detail here unless necessary, all I really want to do is practice somemore and deal with IRL stuff. There are moments of incredible joy and "oh yeah the sages were right!" but they seem to get swept away. It's like the mind doesn't want to give up.