Answer:
The more of it there is, the less you see.
I have four legs but no tail. Usually I am heard only at night.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
The eight of us move forth and back. To protect our king from the foes attack.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?