Stop doing just hands.
I got to a point where I got really stuck on progress and got so frustrated. My favorite subject is people.
My girlfriend suggested I do animals as a break. I did, and when I came back to people I found that I learned a lot from the animal study.
Doing a one hour study each day is great, I put in a similar amount of practice on most days.
But I do not just do a single subject over and over. I rotate.
Every morning I do a 10 minute practice before work. i rotate through the four subjects on the site.
Then once a week I do a study again rotating.
The rest of the week I do different subjects or practices.
Hands a really good to help you learn proportion and foreshortening.
Drawing animals forces you to see shapes and break things down and helps you see people better.
You Tube is your friend. Keep searching tutorials until you find one that really resonantes with you.