Sounds like a typical hour to go to bed and get plenty of good sleep to me. Only after 3-4 AM it becomes hard for me to get high quality sleep, because waking

Sounds like a typical hour to go to bed and get plenty of good sleep to me. Only after 3-4 AM it becomes hard for me to get high quality sleep, because waking up after 11-12 AM means waking up to lots of noises from outside the window - but that highly depends on where you live (I have a playground and kindergarden near on the bedroom side, so that's probably an extreme case). It also means trying to sleep when birds become loud, although some people may actually like that.