I’ve been meditating daily since November last year, but I don’t feel that I’ve have made all that much progress, and that frustrates me a bit. I just can't seem to be able to quiet the mind. I dream of being able to get into a no-thinking state, but seeing as my mind is no more at peace while meditating now, as it was in my early sessions, I begin to think that I will never reach a deep meditative state

. Hopefully someone here could help me!
My mind wanders a lot while I meditate, from one trivial thought to another. I very often get into this sleep-like state where I’m not conscious enough to realize that I should be reciting my mantra, but I’m not fully unconscious either. Being in this state causes me to forget my mantra for several minutes, and the whole meditation becomes nothing more than a sitting nap! What can I do to prevent this? Since I have had many of these sleepy meditation sessions, maybe that is one reason for my slow progress?
But the sessions where I don’t get sleepy doesn’t feel that much more successful, either. When I recite my mantra, it tends to just slip away very quickly, and it never really grabs my attention. Could it be that I find reciting my mantra boring, and that I prefer to just hop on the train of thought? If so, I want to change feeling like this. I want to meditate properly!
Also, I can't remember ever feeling energized after a meditation session. Is that an indication that my meditation isn’t effective? I want to be able to meditate instead of taking a nap when I feel sleepy. Is this possible?
I would love to get some advice that will steer me in the right direction in order to start benefiting more from my meditation sessions.
Thanks in advance
5magics