Vocally progress is still steady.
Methodology Minute - The Importance of Rest
I wrote on this in an earlier post, but I believe that in most skill acquisition rest is an important part of the process. The most typical application of this concept is can be found in weight training. The body does not actually build muscle during the lifting itself, but during the rest period in between sessions. I believe that the same thing occurs during all fields of learning. In voice training, the muscles of the voice need time to rebuild stronger from the exercises performed. In exercises of the mind, it is good to give the brain some time to process what it has learned.
I have found that after periods of rest, I come back to my studies or vocal training stronger and with a renewed energy. There is a limit I believe to the amount of rest that can be taken before it becomes to much and has a detrimental effect. Sometimes, coming back from a prolonged rest I find things to be more difficult. However, in physical training about 2-4 days rest seems to be optimal. Mental rest, on the other hand, is dependent on the person. I think that while one make take a rest from learning new things, I still think that some small review during the session of rest is beneficial to not totally allow the brain to shut down.