"It's a common sleep trick for Changelings, at least for the drones and others that can't be qualified as elites. You'll turn to the closest Changeling you're sharing a crevasse with and look over their body to see how many parasites are currently infesting them. It never worked for me, only because then I begin to concoct a plan for the removal of the infestation, but for the more simple minded I've been told it does wonders," he explained, trying to offer a smile to encourage you.