Twelve guides
Guides
Each guide answers one question, in plain language, and ends with what the app does about it. Read what you need; skip the rest.
Check-ins, the part most parents get wrong
What a Ferber check-in is, what to do during one, what to say, and the four things that turn a check-in into a sleep crutch you will then have to undo.
Updated Apr 29, 2026
Co-parenting and the consistency rule
How two parents can run a Ferber arc cleanly, who does the check-ins, what to do across two homes, and how to handle the disagreement that always comes on Night 2.
Updated Apr 29, 2026
Daycare, travel, and other routine changes
How to plan a Ferber arc around a daycare-start, a holiday, a time-zone change, or a move. When to start, when to delay, and how to keep training during the change without making things worse.
Updated Apr 29, 2026
Early-morning wakings, the hardest one to fix
Why the 4:30 a.m. wake is the most stubborn problem in baby sleep, the four causes that explain almost all of them, and how to use Ferber to fix the right one.
Updated Apr 29, 2026
Getting started with Ferber, in one read
A practical 10-minute primer that takes you from zero to ready-to-start. The age check, the gear list, what to tell anyone else in the house, and the exact protocol for Night 1.
Updated Apr 29, 2026
Nights 2 and 3, the hard middle
Why Night 2 is sometimes harder than Night 1, what an honest Night 3 looks like, and how to keep going through the part of the arc where most parents quit.
Updated Apr 29, 2026
Sleep regressions and how Ferber handles them
When the 8-month, 12-month, and 18-month regressions usually hit, what each one looks like, and how to use a short Ferber re-arc to come out the other side.
Updated Apr 29, 2026
The full 7-night arc, night by night
What each of the seven nights actually looks like in practice. The intervals, the typical crying duration, the wakings, and the off-ramp at the end of the week.
Updated Apr 29, 2026
The first night, minute by minute
A full walkthrough of Night 1 with the exact intervals, what to do at each check-in, and what to do if specific things happen during the wait.
Updated Apr 29, 2026
Teething, illness, and when to pause
How to tell teething from a real disruption, what fevers and colds mean for the arc, when to pause Ferber, and how to pick it back up cleanly.
Updated Apr 29, 2026
The three-night turning point
Why Ferber works in three nights for most families. The Night 3 mechanics, what to look for, and what it means if your turning point lands on Night 4 or 5 instead.
Updated Apr 29, 2026
Ferber with twins and multiples
How to run a Ferber arc with two or more babies in the same room. Same room or separate, who cries first, how to handle wakings, and a realistic estimate of how long the arc takes.
Updated Apr 29, 2026
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