✓ Your guide is on its way to your inbox
For moms and dads who can't take it anymore

It's 3am.
Your baby is crying.
Again.

You've gone months without sleeping more than 3 hours straight. You've tried everything — rocking, pacing, nursing, letting them cry. Nothing works. It isn't your fault. It's that nobody explained to you how your baby's sleep works.

The ebook that explains the neurology behind infant sleep — and gives you a concrete plan so your whole family can sleep. In 7 nights.

🔒 Instant download · PDF · 7-day guarantee
🔬 Built on sleep neurology
🌙 For babies 0 to 36 months
Results from night 1
The real problem

It's not that your baby
can't sleep.

It's that nobody taught you how their brain works at 3am.

01
🧠

The micro-awakening nobody explains

At the end of every sleep cycle (~45 min), all babies wake briefly. If they don't have the tools to fall back asleep on their own, they cry. It's not hunger. It's not pain. It's a skill nobody taught them.

Happens 4-6 times a night
02

The sleep window you're missing

There's one exact moment — a 15-30 minute window — when your baby can fall asleep without a fight. Before or after that window, cortisol makes it almost impossible. Most parents don't know when it is.

Missed 70% of the time
03
🔄

The association that creates dependence

If your baby learns to fall asleep nursing, in your arms or with movement, their brain registers those conditions as necessary for sleep. With every night that passes, the dependence grows. It isn't a flaw of yours — it's neurology.

Affects 30% of families with babies
"Imagine you fall asleep tonight with your usual pillow. At 2am, the pillow is gone. That's what happens to your baby every time a sleep cycle ends. What they're looking for is you."
— Sleep analogy · Module 3 · Somsio
Falls asleep
Deep sleep
REM · 40% in babies
Micro-awakening ~45 min
Looks for how sleep started
No skill → crying

The solution isn't to get through more sleepless nights.
It's to teach them the skill they're missing.

Real families

What changes when
the whole family sleeps.

★★★★★
I'd gone 9 months without sleeping more than 3 hours straight. My mom kept telling me it was normal, that I should just hold on. On night 3 of the plan, Matías slept 6 hours straight. I woke up terrified, thinking something was wrong. He was perfectly fine. He was simply sleeping.
V
Valentina R.
Bogotá · 9-month-old
Got her sleep back
★★★★★
My therapist put it plainly: without sleep, the medication wasn't going to work. The lack of sleep was feeding my postpartum depression. When Joaquín started sleeping through the night, it was as if someone turned the light on after months in a dark room.
M
María José L.
Lima · 7-month-old baby
Came through postpartum depression
★★★★★
Before I read the ebook, I'd get to work running on coffee and guilt. Now I get up before Sofía, I exercise, and I arrive with energy. My boss asked me what had changed. "My daughter sleeps," I told her. She laughed. It wasn't a joke.
D
Daniela F.
Buenos Aires · 8-month-old baby
Got her energy back
★★★★★
What hit me hardest was understanding that it wasn't my fault. The ebook explained exactly why Tomás needed me to rock him — and how to teach him not to need it. In 10 days he was falling asleep on his own. I still can't quite believe it.
L
Luciana P.
Santiago · 12-month-old baby
Baby falls asleep on his own
★★★★★
With my first daughter I struggled for two years. With Santiago, I started the method at 5 months. By 6 he was sleeping 11 hours. It makes me angry that I didn't have this information sooner. I recommend it to every pregnant woman I know.
C
Carolina S.
Monterrey · Mom of 2
Experienced mom
The evidence

It isn't opinion.
It's neurology.

The Somsio method is built on the same studies the world's top children's hospitals use. The science of infant sleep exists. Nobody has ever translated it for you.

45 min
Length of an infant sleep cycle. Babies wake naturally at every transition — it's biological, not behavioral.
Source: National Sleep Foundation · 2023
6 mo
A baby's circadian rhythm is mature enough by 6 months to start sleep training safely and effectively.
Source: Harriet Hiscock · Pediatrics 2012
0
Differences in attachment, mental health, or cognitive development between children who got sleep training and children who didn't. According to the most rigorous studies available.
Source: Price et al. · Pediatrics 2012
Typical progress — Hours of night sleep
Without a method
With Somsio
8h 5h 2h 7h 48min
Start Wk 2 Wk 3 Wk 4 Wk 6
If they cry, they're hungry
After 6 months, night crying is usually behavioral
Put them to bed late so they sleep longer
Putting them down at the right level of tiredness makes for better sleep
Daytime sleep takes away night sleep
Day sleep and night sleep support each other
$9.90
USD
✦ Ebook · PDF · 23 pages

Your Baby's
Sleep,
Explained.

The complete guide to understanding infant sleep and actually using it with your child — from 0 to 3 years.

01 · How sleep works
02 · Wake windows
03 · Sleep associations
04 · Training methods
05 · Routines and environment
06 · Sleep regressions
07 · Warning signs
The complete solution

23 pages that change
the next 1,000 nights.

It's not a blog post with generic tips. It's the neurology of infant sleep turned into a plan you can start tonight. What to do when your baby cries so hard they throw up. How to handle it when the other caregiver doesn't follow the method. How to get through a regression. Every real scenario, solved.

Understand WHY your baby wakes up — it isn't hunger, it isn't a whim, it's neurology
The exact wake windows week by week, from 0 to 36 months
5 sleep training methods explained — which one fits your family
The 4-step bedtime routine that calms your baby's nervous system
The 6 sleep regressions — when they happen and what to do in each one
Warning signs — when it's behavioral and when to talk to your pediatrician
🔒 7-day guarantee · Instant download · PDF for any device
The method

No unnecessary crying.
No rigidity. At your pace.

There's a method for every family. The guide helps you find yours.

Somsio · recommended starting point
Least crying · Slower process More direct · Faster
🌿

Fading

Gradual fading

You reduce your involvement week by week. No planned crying. Ideal for parents with a low tolerance for crying.

CryingVery low
Time2-6 weeks
⏱️

Ferber

Scheduled check-ins

Brief visits at progressively longer intervals. Works in 5-10 days. Requires moderate tolerance for crying and complete consistency.

CryingModerate
Time5-10 days

The guide helps you find the right method for your family — with the complete step-by-step plan to use it from the very first night.

The key tool

Get the
exact nap times for your baby.

Enter 3 details and we'll build the ideal daily schedule — with the exact times and lengths of every nap for your baby's age.

⚠️
The "second wind" isn't what you think. When your baby suddenly seems wired and happy after being tired — that doesn't mean they're not tired anymore. It's cortisol. Keep playing and you'll miss the window, and the night will be hard.
7
nights
✦ Free Download

The Guide to
the 7 Nights

The exact night-by-night plan to reset your baby's sleep this week

1
2
3
4
5
6
7
Your first step

7 nights.
One exact plan.
Real results.

It's not another ebook full of generic advice. It's a night-by-night protocol, adapted to your baby's age, with the exact sleep windows, the step-by-step routine and what to do when things don't go the way you expect.

1
A diagnosis of where you are now
In 5 minutes, find out what kind of sleep association your baby has — and the right first step for you.
2
Sleep windows by age
The exact wake window tables for babies 0 to 36 months. The most important thing nobody told you on your way out of the hospital.
3
Night-by-night protocol (days 1-7)
Exactly what to do each night — the routine, the environment, how to respond to night wakings — without improvising at 3am.
4
Plan B for the hard nights
What to do if they cry until they throw up, if there's a regression, or if the other caregiver isn't on the same page. The real-life scenarios no other guide covers.
Free · No spam · For babies 0 to 3 years
Coming soon · iOS

The plan is the map.
Luna is the guide.

The guide gives you the plan. The ebook gives you the science. But every baby is different — and at 3am you need someone who knows you, guides you and tells you exactly what to do. That's Luna.

🤖

AI coach

Luna gets to know your baby just by talking with you. Their age, their wake-ups, how they fall asleep. Then she builds a personalized clinical plan for your first 7 days.

🌙

Guidance at 3am

If you open the app at 3am, Luna knows. She switches to crisis mode: short instructions, tappable options, zero scrolling. Exactly what you need when you can't think.

📊

She adapts every day

Every morning you do a 30-second check-in. Luna recalculates the nap plan, adjusts times and celebrates your wins. The plan evolves with your baby.

Be one of the first
to meet Luna.

We'll let you know the moment she's ready · No spam
Start tonight

The first night
is always
the hardest.

Then comes the second. And the third. And in 7 nights, your whole family is sleeping differently. The guide is free. The change is real.

Free · No spam · Cancel whenever you want
Results vary depending on your baby's age and how consistently you stick with the method. Most families see significant improvement in the first 7 days.
Free access during launch
📖 Your Baby's Sleep, Explained
🔒 Secure payment
Loading secure checkout...