Is it normal for a 5 month old baby to suddenly eat less? Mine was eating 6 ounces every 4 hours and it's been a few days that he's just been eating 4 ounces almost at every feeding. He also doesn't wake up at night for bottles anymore. Is this normal? Could it be because he's teething? His gums look swollen at the bottom front where his two front teeth should be. Or is it due to a growth spurt? He seems fine. No crying, no fever or anything. Has anyone else gone through this? I was waiting until 6 months to give him baby food. Could it be cause he was thrown off his routine these past few days? First time mom here.