Will Lilah ever really sleep?

Find any new parents and all they want to talk about is sleep. Or lack of sleep. Or when they might actually get some sleep. We are no different,  except for my fascination with data of any type. At the hospital they made us write down feeding times  (and diaper change times) and we have kept up the habit back at home. It helps immensely at 3 in the afternoon when I feel like napping, Lilah is crying, and we're trying to decide whether she is tired, hungry, wet, cold, or just plain fussy.

Given that we now have this record I feel obligated to attempt quantitative analysis. Who wouldn't, really? Here we go.

First, some definitions and conventions. "Time between feedings" refers to the time from the start of one feeding to the start of the next. Typical feedings are 40-60 minutes long (you will see that this in general is bad news for Diane, as Lilah's average time between feedings is 2.5 hours, meaning that Diane is sitting in the feeding chair alot of her life these days). "Day" is defined as a feeding starting between 7 AM and 8 PM. "Night" is otherwise. This plot shows one dot for each feeding after the 7th day of Lilah's life (I start with day 7 as that is the day that we were able to switch exclusively to breast milk. Sadly she slept much better when we could stuff her full of formula now and then....). The dot shows the start of the feeding (on the horizontal axis) and the length of the feeding (on the vertical axis). We've been telling all of our friends that she is a 2.5 hour alarm clock and now we can see why. Her average time between feedings certainly is 2.5 hours, but there is much variation. Sadly, there is little difference between day and night. Sadly again, 2.5 is a short time. A child who was striving to make her parents happy would try to average perhaps 3 hours in the day and maybe even 4 at night. It is clear from this plot alone that Lilah is not currently interested in the well being of her parents. But is there hope? Perhaps a hint of slightly longer times-between-feedings? Well, no. No hint whatsoever. A simple extrapolation suggests that we will never get a full night's sleep again.

(note: these plots are now frozen on day 21. to see the continually updating version go here)

time between Lilah feedings

You can also look at when during the day Lilah feeds and when she is sleepy, awake, and fussy. The plot below shows each of Lilah's feedings from day 7 of her life onward. Time of day starts from midnight at the bottom to the following midnight at the top, and each feeding on a day is indicated by a thick black line (the thickness corresponds to 40 minutes, which is a typical feed length, which gives you some idea of how much time is taken feeding. Diane spends about 40 hours a week on this activity!). The solid blue lines early in the morning starting on day 12 are bottle feedings of expressed breast milk that I get to do to help Diane try to get a little more sleep than Lilah would otherwise allow. The green areas correspond to times when Lilah is awake and contentedly hanging out. The angry looking red areas are times when Lilah is awake and fussy. We don't chart these very accurately yet, but we will try to make them better, promise.

(this plot no longer updates. Check here to see if Lilah will ever actually sleep).
Feeding times

In case it is not obvious, Trixie is Lilah's hero.