Hi -
Is your DS only getting about 1.5hrs of sleep all day? If so, he is definitely OT. Also, are you using the bottle to help him fall asleep? By teaching him to fall asleep independently, he will be able to put himself to sleep at night if he wakes.
I would try to fit in another bottle feed during the day as well. It looks like he's only drinking 24oz all day. Solids aren't as filling as milk, so milk is still more important than solids. At 7mos my DD was still on 4 bottles, she drank 6-8oz per bottle for a total of 24-32oz, usually averaging about 30oz per day. At 7/8mos, this is what a typical routine looks like:
7am - wake and bottle
8am - breakfast
10am - nap
11:30 - wake from nap, bottle
1:00pm - lunch
2:30pm - nap
4:00pm - wake from nap, bottle
5:00pm - dinner
7:00pm - bottle and bedtime
HTH!
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