I've grown Fangtastic Bob Henley before. No need to give it a rest after flowering (in fact, mine began to put out leads about four weeks after flowering). This one is usually a spring or early summer bloomer, though the bloom time might depend on what area you're in.
I miss this plant. I lost it to sheer recklessness (I put it too close to the edge of the balcony railing and it blew off and hit the ground after a thunderstorm). The impact broke off every leaf. I tried putting the leafless bulbs back into the pot to see if new leads would re-sprout, but I guess the stress was too much for the plant.