Thanks - eventually I just did my usual routine, but slightly later than usual. Wasn’t able to go back to sleep, both before and after exercising. It’s afternoon now and my head feels slightly heavy and my legs feel slightly “minty fresh” (sciatica).

I did think about just going for the exercise when it was 4am, but it’s always the question of “if I let go of exercising at 0630 would I finally be able to sleep / what if I could have actually slept more if I hadn’t woke up now” that gets me