The only way to shut them off is by freezing your balls. They will then be dormant for 10 years. After that...you are on your own.
They never sleep. The only side effects known of taking this at night is that you will wake up with a 2hour painless mourning wood. Make sure that your commute to work is more than 2 hours.
This is a known fact. Just remember that your new leg is infused with testosterone and you many need to decrease training for it while your other leg plays catch up. Take some Firenomore while you train to help your old leg.
All this info comes from a technical data sheet on Anaconda, found on april 1 in the Nation's backpages.