I started a character from scratch the first time I ever played 0.57.128076.
When the character spawned it's heath had no hunger or any other status and proceeded no matter what I drank or ate to continue with no status (unchanged from the beginning).
In the same manner as the hunger status, I received no messages about warming up or cooling off.
After a couple of hours the server then restarted and the health status 'kicked in' with me being energised(green), hydrated(light green) and stuffed(dark red). The character then after 20 seconds vomited which changed the statuses to energised(green), hydrated(green). I also got temperature change text appearing and after 30 minutes or so my hydration and hunger statuses reduced as I would have expected them to.