Made by Milena, a mom herself

Baby sleep app: when will your baby be tired again?

Moonsleep estimates your baby’s wake window from their age and the last 7 days and shows you a countdown to the next nap. Logging takes just one tap.

Download on the App StoreGet it on Google Play

Free for 3 days, then a monthly or yearly subscription you can cancel in the store

Moonsleep home screen: countdown to the next nap, gentle reminder and today’s entries
  • Calm night design easy on tired eyes at 3 a.m.
  • Share with your partner grandma and babysitter too, in real time
  • No ads your data is never sold
  • iPhone & Android in 51 languages, App Store & Google Play
Milena, founder of Moonsleep Founder of Moonsleep

From a mom, for moms

No man knows how a new mom feels at 3 a.m. — exhausted, overwhelmed, with a crying baby in her arms.

Moonsleep grew out of real sleepless nights and three questions: When will my baby actually be tired again? How long should the next wake window be? Is a sleep rhythm slowly starting to form? The answer became an app that is calm and honest, with a design that is easy on tired eyes. Made by a mom who knows what she is talking about.

Milena Founder & mom

Sound familiar?

Too little sleep. And too much to remember.

Every day is different, every night a guessing game. Maybe you’ll recognize yourself here:

Suddenly overtired

Barely a sleepy cue, and your baby is already overtired and can’t wind down.

I’ll never remember that

When did they wake up, when did they last feed? With so little sleep, your sense of time is gone.

3 a.m., baby in your arms

One hand free, the screen too bright, and all you want is to get back to bed.

Which side was last?

Left or right, how many ml? Scraps of paper and phone notes don’t make it any easier.

The only one who knows everything

Dad asks, grandma asks, the babysitter asks. Every handover runs through your head.

Is it getting better?

Every night feels the same. Nothing shows you whether a rhythm is emerging.

Wake window prediction

How long can your baby stay awake?

The countdown shows roughly when the next nap is due, so you can watch for sleepy cues in time.

  • Wake windows by age from the research literature, blended with your baby’s last 7 days
  • Calculated on your phone no AI, outliers are left out, always within the range for their age
  • A guide, not a rule your baby’s sleepy cues always come first
Baby sleep app Moonsleep: countdown to the next nap in 00:32, gentle reminder, today’s entries
Next napin 00:32around 1:03 PM

Sleep schedule by age

How many naps does your baby need?

Daytime and night sleep by age, as a guide for your day. That way you can plan appointments and walks around naps.

  • Right for their age naps, night sleep and the recommended amount of sleep for today
  • Easy to adjust if your day goes differently, simply change the plan
  • Grows with your baby as your baby gets older, the guidelines change too
Sleep plan by age for a 4-month-old: 16 hr recommended, 3 naps, night sleep 7:30 PM–7:00 AM
Night sleep11 hr 30 min7:30 PM–7:00 AM · 4 months

Baby tracker & live timer

How do you track sleep, breastfeeding and bottles?

One tap, even with your baby in your arms. The live timer stays visible, in the Dynamic Island or as a notification.

  • Sleep
  • Nursing
  • Bottle
  • Pumping
  • Solid food
  • Diaper
  • Temperature
  • Medicine
  • Breastfeeding left or right with a timer, so you don’t have to remember the side
  • Bottle, pumping, solid food plus note wet or dirty diapers, temperature and medicine
  • Add entries later anytime forgetting is okay, you can catch up calmly in the morning
Track sleep with a live timer: “Nap in progress 24:18” in the Moonsleep app
Nap in progress24:18started at 12:07 PM

Child & development

How is your baby developing right now?

The “Child” tab shows you what your baby is discovering right now and what it means for sleep and feeding.

  • Week by week up to 11 weeks, then month by month up to 24 months
  • Sleep, feeding and tips right for their age, calmly explained, all in one place
  • “And how are you?” a card that asks about you, not the baby
Development week by week in the Child tab: “Mila is 6 weeks old” and “The first real smile”
Mila is6 weeks oldThe first real smile

For the whole family

No longer the only one who knows everything

Share with your partner, grandma or babysitter: in the Care team, everyone stays up to date.

Dad logs it,you see it right away

Share with your partner in the Care team: invite code, Mom, Dad can track, Grandma can only view

Reminds you,so you don’t have to

Moonsleep reminders on the lock screen: next nap, next feed, diaper check

Is a sleep rhythmstarting to form?

Sleep rhythm statistics: a week averaging 13 hr 40 min of sleep per day and “Pattern recognized”

What happens to your data

Your entries are stored in the cloud so your devices and your Care team stay in sync. Everything is always transferred encrypted.

  • No ads no ads in the app and no advertising ID
  • No selling of data no sharing, cloud and subscription services only act on our behalf
  • Only with your consent usage statistics stay off until you explicitly agree
  • Delete in the app your account and all data, right in the settings

How does the free trial work?

  1. Start the trial in the appMoonsleep only works with a free trial or a subscription. You start it in the app and see the price beforehand.
  2. Try it calmly for 3 daysEverything is unlocked during the trial. If you cancel within the 3 days, you won’t be charged.
  3. Then a monthly or yearly subscriptionUnless you cancel, the subscription renews automatically. You can cancel in the subscription settings of the store.

Good to know: every Care team member needs their own subscription or free trial.

From the blog

Know-how for baby sleep and everyday life

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Try Moonsleep tonight

Wake windows, a sleep plan and one-tap logging in a calm night design. Made by a mom.

Download on the App StoreGet it on Google Play
Free for 3 days, then a monthly or yearly subscription you can cancel in the store
Moonsleep app: home screen