I'm going to offer a different opinion to Stacy's....not meaning that I am trying to be argumentative or disagreeable, just that there is another way to see it is all I think.
With the SA that kicked in at night, I chose the opposite route. My LO is waking at night (for whatever reason, waking as people do) and while he is awake he is suddenly frightened without me. I don't take the approach that I need to give him minimal comfort or comfort him carefully, sorry but my child wants me and needs my comfort, I give it to him. I refuse to let fear prevent me from offering hugs, cuddles, reassurance and comfort to my baby - especially not the fear that in future he may want MORE comforting because of it. I chose to give DS all of the love in the world that he needed, who cares if it is 3am and I am tired, he's 10 months old and he's my child, and he's worried that I am not going to be there for him....not going to chase that fear away by being afraid to pick him up and give him a snuggle. Instead I reassured him by letting him know that when he needs me, I AM there for him, for love, for whatever. I snuggled him, I shhhd, I sat beside his cot so he knew I was there. When I would try to tiptoe out and he realised it and cried out, I went back and said "sorry for trying to trick you, mommy's here until you're sound asleep!" and STAYED with him.
Contrary to what most people seem to think, this did not mean that he started waking in the night JUST to get those cuddles and sshing and back rubbing. He was already a baby who could put himself back to sleep when he woke in the night, so this did not change that. He knew that if he needed me I would come, if he didn't need me then he didn't call for me. When the SA passed, after about 2 weeks, he went back to putting himself back to sleep on his own in the night, knowing fully that I was there for him if he wanted me. I don't see the problem with it!!! He's been a solid sleeper from this age on, rare NWs mostly due to teething and the very occassional lost lovey, but that's it.
And, had that not been the case, then I would still go with giving as much comfort and hugs and snuggles as needed, and use GW to remove it when the SA has passed!