Soldato
99.9% of lower back problems can be solved by glute, ham and calf stretching. Most people don't realise the impact of you leg muscles on the rest of your body, super important to stretch especially if you sit down for work.
Pillows will help release your spine but wont solve issues in the lower back.
Oh interesting, I'll have to check that out. Every few months I seem to wake up with really bad calf cramp actually (literally the worst pain on earth!) so maybe it's related. No medical threads I know but it kind of feels like the bottom of my spine needs popping to reset something. I should go get it looked at.
I'm tossing and turning a lot and waking up a lot as I can't get comfy with my existing pillows which I don't think helps.