My daughter is 9 weeks old and today she has been sleeping basically all day! She wakes up, eats an ounce or so then falls back asleep. Her normal intake is about 20-22 oz in 24 hours. So far since 7 am (it is now 1030 pm) she has only had 15-16 oz. I can almost guarantee she will be waking here shortly and will probably eat 4 ounces then I'm assuming we will have a 2am-4am party where she will eat another 4. I'm not doubting that she will eat her normal amount but this sleepy day is far from normal for her. When She is awake She is her normal self but She usually doesn't nap much throughout the day. She doesn't have a fever or anything and she just had her vaccines Friday...could that be the reason? I recall this happening a few weeks ago too... maybe a growth spurt? Any other ladies babies have random sleepy days?