3kg a fair amount..
I know Phil is anti hammock but this whole setup.. Hammock, strapping, bug net and storm or ultralight tarp even the pegs.. is only 1 - 1.1 kg..
AntiGravityGear Quicksilver Ultralight Hammock System | AntiGravityGear
Why dont you sleep well.. Cold coming under ??
I doubt its the movement if your happy to sleep on yachts..
I sleep like a baby in hammocks..