Sorry you've been feeling rubbish
You're on a high dose of Ami, it works in part by making the brain more dozy. If you were on a lower dose you would still feel lethargic in the morning, but this would probably lessen by lunchtime.
I have my theories why MAVers get ringing. I believe its down to pressure in the ear/imbalance of ear fluids. I got ringing 1 week into my 'MAV' phase and its gone up and down ever since but not once stopped so at least you get a break Mine is 24/7 and for the first year it was brutal.
I believe the only way to get better is to soldier on, be as active as possible and let time heal. I appear to have compensated a lot but the pressure in my ear hasn't improved much yet, though I don't seem to get daytime attacks anymore, which is marvellous. The beast gets me once I've laid down some nights. The vertigo doesn't bother me anymore, but the following one or two days are annoying because of additional imbalance. Its nice not to have to interrupt a conversation with a feeling of spinning anymore thought!
Usually this thing goes in phases. A bad patch always ends and you will have good days again ... unfortunately you just need to be patient.
If you are not following the diet I suggest you try it as it appears to have helped me a little, especially since I've been off Ami.