From what we understand our systems formed like this
Birth child - Split 1 - Split 2 - creates one system
Split 3 - Creates another system
Will try the sleeping thing, SL, thanks. Our co-con is usually extremely heightened when we're falling asleep so will definitely try, thank you
@ Tylas - I'm not sure what the difference is between levels and subsystems? I mean, we have groups etc which I assume is similar to levels, but not sure.