Re: questions about disads for dryad-like race
I kinda think the first one should be a physical lim, but here's a little deeper delving. What happens when they get attacked while "sleeping"? Can they just unroot on the spot or are they stuck in lala land until their 6 hours is up? That would affect how much of a limitation it would be worth.
If they actually cannot eat/gain nutrients from solid foods/non sugary stuff, then wouldn't that ALSO be a physical lim? That way you can use the normal rules for lack of food/water (and no way of having only one but not the other) instead of have a dependency (sorry if the actual rules for lack of food/dehydration DO work like a dependency, rulebook not at had at the moment).
I also have to agree with the home tree being a physical lim. Not sure how foci would work, what part of you are you putting the foci on, BOD? Then you don't have any health unless you hold your tree. Also, I do think you could possibly have the physical lim AND the DNPC, but only if you want the whole party to have to go back to your tree all the time because it's in danger.
Ok, that's my 2CP worth of advice, buy some stats with it.