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ParentingSeptember 13, 2026· 7 min read· by Menikki Team

Newborn Brain Fog: A Simple Baby Log for Tired Parents

With a newborn, short-term memory is the first thing to go. How to set up one group per child in Menikki and log baths, walks and diapers with a single tap, so you stop relying on a brain that runs on broken sleep.

In the first weeks with a newborn, at an appointment with the pediatrician, I did something I had never done before as an adult. I asked for the exact instructions on a piece of paper.

I asked because I knew, with complete certainty, that by the time I got home they would be gone. Not blurry. Gone.

I build Menikki, and that moment is still the most honest description I have of the newborn phase. Your short-term memory does not just get a little worse. It feels like somebody switched it off.

It is not you, it is the sleep

Almost every new parent knows a version of this. You walk into a room and forget why. You cannot say whether the baby had a bath yesterday or the day before. Someone asks when the last dirty diaper was, and the honest answer is a shrug.

This is not a personal failing. Broken sleep reliably degrades attention and working memory, the kind of memory you use to hold on to something for a few minutes, and a newborn breaks your sleep into pieces for weeks. On top of that, your days lose their landmarks. Monday looks exactly like Thursday, which makes it very hard to place anything in time.

So the fix is not to try harder. It is to stop asking your memory to do a job it cannot do right now, and to write things down the moment they happen.

The one rule: log it when it happens

Not tonight. Not "later, when the baby sleeps". The moment you finish the bath, tap Bath. The moment the fresh diaper is on, log the diaper. It takes a second, and it is the only version that survives a tired day.

That rules out anything that needs typing. A diary entry at the end of the day is a memory exercise, and memory is exactly what you are short of. A tag is one tap, which is short enough to manage with a baby on your arm.

Step one: create a group for your child

In Menikki, tags are organized in groups. Give your baby a group of their own. Everything you track for them sits together in one place, and your own tags stay out of the way.

  1. Open Settings and tap Tags & Categories.
  2. Tap Add Category.
  3. Enter your baby's name as the Category Name, then pick an icon and a color.
  4. Tap Add Category to save it.

Choose a color you will recognize half asleep. It sounds like a detail until it is 3 a.m.

Twins and siblings

One group per child. With twins you get two clearly separated sets of tags instead of wondering whose diaper you just logged. When a sibling arrives later, you add another group and nothing gets mixed up.

A word on limits, so it does not surprise you halfway through the setup: the free version of Menikki allows up to 5 groups and 30 tags. One group per child fits comfortably, twins included, but if you also track a lot for yourself you can run into the limit. Premium removes both.

Step two: add the tags

Inside the baby's group, use Add Tag. Each tag gets a name and a type, and Menikki has four types:

  • Simple: just yes or no. It happened.
  • Quantified: counts an amount.
  • Duration: how long it lasted.
  • Intensity: a rating from 1 to 5.

One setting is worth switching on for every baby tag: Mark as habit. It puts the tag on the Home screen for quick logging, so a bath or a diaper is one tap from the moment you open the app, not three screens deep.

What to log

Feeding has its own detailed guide: how to track breastfeeding and diaper changes with tags, including which breast was last and what the diaper colors mean. This guide covers the rest of a newborn day, all the small things that disappear from memory just as quickly.

Tag Type The question it answers
Bath Simple When was the last bath?
Walk Duration Did we get outside today, and for how long?
Dirty diaper Simple How many today?
Wet diaper Simple Enough wet ones today?
Drops or medicine Simple Did we already give it today?
Tummy time Duration How much, and is it getting longer?
Fussy evening Intensity Are the hard evenings getting better?
Pediatrician Simple When was the appointment, and what did they say?
Nails trimmed Simple When did we last cut them?

You do not need all nine on day one. Start with the three questions you actually get stuck on, and add more when you notice yourself guessing.

Diapers: the count builds itself

You do not need a number field for this. Log every dirty diaper as its own tap and the count for the day adds up on its own. When the midwife asks how many there were yesterday, you read the number instead of estimating it.

If the color or consistency seems off, add a short note to that entry. The diaper guide has a table of what is normal and which colors are a reason to call.

Drops and medicine: settling "did we already?"

If your pediatrician has recommended daily drops or a medicine, this is the tag that saves you the most worry. "Did we already give it today?" is surprisingly hard to answer when you are exhausted, and neither giving it twice nor skipping it is what you want. One tap right after giving it, and the question is closed.

Pediatrician: put the instructions in the note

This is the one I wish I had had at that appointment. Log the visit with a Pediatrician tag and write the instructions into the note of that entry: the dose, the schedule, what to watch out for, when to come back. A piece of paper gets lost in the diaper bag. The note stays attached to the day of the appointment, and you find it again by opening the tag.

It also gives you an anchor. Before the next appointment you can look at everything logged since the last one, using the same approach as in the "what have you been up to?" blackout.

Fussy evenings: a rating, not a diary

Intensity tags suit the things that feel endless while they are happening. Rate the evening from 1 to 5 and move on. After a few weeks you can see whether the hard evenings are thinning out, which is almost impossible to judge from inside them.

Step three: let the app do the remembering

Logging is half of it. The other half is getting the answer back without having to think.

Since timer. On the dashboard you can add a Since timer widget for any tag. It shows the time since you last logged it. Put one on Bath and one on Nails trimmed, and those two questions answer themselves every time you open the app. The free version includes up to four dashboard widgets.

Smart reminders. With Premium you can set a reminder per tag that notifies you when it has not been logged for a number of days. That suits things with a rhythm of days, like baths or trimming nails. It is not meant for feeds or diapers, which happen hours apart.

The tag itself. Opening a tag in Insights shows when you last logged it. That is the quick answer to "when was the last..." for anything that does not have its own widget.

Two phones, two logs

One honest limitation, because it matters for parents in particular. Menikki keeps everything on your device, with no account and no sync. That is deliberate, since a newborn's health log is about as private as data gets. It also means that if both parents log on their own phones, you end up with two separate logs that know nothing about each other.

Two setups that avoid this: agree on one phone as the baby log, for example the one that stays by the changing table at night. Or split by task, so one parent logs feeds and the other logs everything else. Pick whichever matches how you actually divide the work.

What this is and is not

This is a memory aid for a phase in which memory is unreliable. It is not a medical app, it does not give advice, and it does not replace your midwife or pediatrician. If something worries you, call them, and bring the log.

The piece of paper was the right idea

Asking for the instructions in writing was the right instinct: stop trusting a memory that is not working right now, and hand the job to something that does not get tired.

A baby log is the same instinct, just always in your pocket. Create the group, add a handful of tags, and let your phone remember the things you have no room for right now. Menikki is free, needs no account, and is available for iPhone and Android.