It seems I read something early on about the nursing mothers taking their babies into a "sauna" during the time they are caring for them, and it would make them healthier. But, I cannot, for the life of me, remember where I read this -- or where to find it.

Would anyone know about this? Or, where to find the 'sauna?' As soon as I got started, I began looking for a sauna but I cannot find it. Logic told me that it would be inside that big rock by the pond where the stairs lead to the top. But, it does not seem to be...