If I wake up early, at around 5am or 6am, then my morning is ultra productive.
If I wake up at 8am, my morning is subpar and I will perform best from mid-afternoon to late evening.
If I wake up at 8am, my morning is subpar and I will perform best from mid-afternoon to late evening.
The quiet helps and so does the "working while people sleep" too, for some weird reason.