With one baby, "when did she last eat?" has one answer. With twins it has two, and at 3am they are easy to swap. Most of what goes wrong in a twin log is exactly that: a feed written against the wrong baby, or written once for "the twins" when only one of them drank.
Tracking twins does not have to be twice the work. It comes down to a few habits, and all of them are about keeping two babies apart in the record while you look after them together.
Two babies, two logs
Give each baby their own record from the first day. A shared log with a name in the notes feels quicker, and it stops working the moment someone asks a question, because every question you get is about one baby. The midwife wants to know how many wet diapers this one had. The scales take one baby at a time. A combined log can tell you how the day went and very little else.
It also hides the thing you most need to see. Twelve feeds between two babies can be six and six. It can also be eight and four. Only a log per baby shows you which.
Log as you go, not afterwards
With one baby you can rebuild the last hour from memory. With two you cannot, because the two memories are nearly the same. Who had the left side? Whose bottle came back half full? Which one had the dirty diaper before the nap?
So log each feed when it ends, against the baby who had it, before you pick up the other one. If you feed both at once, it is still two entries. They will rarely take the same amount or finish at the same minute, and those differences are the useful part.
Tell them apart in the log the way you do in the room. A photo on each profile helps more than you would think at 3am, when two names starting with the same letter look alike.
One routine, two rhythms
Many twin families end up feeding both babies when one wakes, so the day stays in one piece. The log is where you see whether that is working for both of them. Look at one baby's week, then the other's.
Expect them to differ. One sleeps a longer stretch at night. One feeds a little more often. One has more dirty diapers. That is two babies, and it is normal. Compare each twin with their own last week, never with their brother or sister. Growth works the same way: each baby follows their own line, which is the point of a curve, not a grade.
Twins are often born earlier and smaller than single babies, and your care team may follow their growth more closely or by corrected age. They will tell you which numbers they want. Bring them one record per baby.
Splitting the work
Two adults and two babies makes "one each" look like the obvious plan. It works for a single feed. As a system it leaves each parent knowing half of what happened. It is easier when both of you can see both logs, and whoever is holding a baby logs for that baby.
The same goes for anyone who helps. When a grandparent, a nanny or a daycare takes one twin or both, the four lines from a calmer daycare handover sheet still cover it: last feed, last sleep, last diaper, anything different today. Write them once per baby.
How Little Bean handles two
In Little Bean each baby has their own profile and their own log. Once there are two babies on the account, tapping the baby's name at the top of the home screen opens a switcher, and whatever you log next goes to the baby on screen. A caregiver you invite sees both babies, so nobody has to be added twice.
The Standard plan includes two babies, so twins do not need a bigger plan. Family and Advanced go up to ten. The plans page has the detail. The export is per baby as well, a PDF or CSV for a date range, so each twin arrives at the check up with their own record.
Log less, for each
With twins the temptation is to stop logging because there is no time. Log fewer things, and log them for each baby. Feeds, sleep and diapers are enough. The rest can wait until you are sleeping again.
This is about keeping records, not about health. Twins, and babies born early, are usually followed more closely, and your own care team's advice comes first. If one baby feeds noticeably less than usual, has fewer wet diapers, is unusually sleepy or hard to wake, or anything else worries you, talk to your midwife, health visitor or doctor, and bring that baby's log. Nothing here is medical advice.
One short note, once a month.
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