teething, cold and restless

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Does my of that contribute to not sleeping thru the night for other moms? Like my son was doing good for a night or so this week. Slept thru the night didn't moan or even move he was out. Last night he was up all hours of the night off and on. I decreased the bottle because he was drinking 6oz before bed and spitting some of it up because he was too full. So now we do 4-5oz at night and that's worked best. Now he wakes up if he's needing to be changed and just to wake up it seems well last night he woke up because he was cold. So he didn't sleep at all hardly but off and on. Anyone else see the different things that effect babies in many ways? What were the tips or tricks to it? My son just seems picky lol