My LO usually wakes around 2:30 and sometimes 5am still and he's 6 mo. He gets a dreamfeed around 10:30/11 of 7oz (although usually he wakes for it himself). At 2:30 he was getting 4oz - I have worked to decrease this one down from a full bottle.
So 2 nights ago I dropped the 3am NF with shush/pat. It took till 4:30am. He then woke again 20 min later. This time it took till almost 6am. He then successfully slept till 8am and took his full feed.
Last night I heard him whimpering at 3:15am but within 5 minutes he stopped and he was asleep - yeah, I didn't even have to intervene. However, at 4:40 he awoke again. When I went in to shush/pat, he almost fell asleep again in 10 minutes, however, he seemed to get frustrated that he couldn't sleep and stated crying really loud. This went on until 6am, when I have to admit I caved in. I picked him up, and started feeding him his bottle. He took 1 oz, then I stopped him and decided to try just water. He sipped it for 30 sec, then looked up and smiled at me. I put him to bed and he went straight to sleep till 8am again. He obviously wasn't really hungry.
What should I have done? Persisted with shush/pat till?

Or fed him at 5am and be happy that we made it till then. Was the water in a bottle a bad idea?
I was confused and tired and didn't know what to do as it was close to his wake up time of 6:30/7am.
Anyone have any suggestions? Please tell me as tonight might be the same thing.