Also, sleeping with your partner in the same room can be a problem.
Currently, my wife and I live in different cities, and I've noticed that my sleep has improved. Last year, when we were living together, I was always waking up early because of her alarm. On most weekdays, I didn't get enough sleep, and it was putting me into a depressive state. Having different schedules can negatively affect one partner's sleep.
If it's possible to sleep in separate rooms, I'd recommend trying it.