MOMally Sleep

Baby Sleep Class
Cliff Notes

Your class takeaways, organized for easy reference.

Safe Sleep Basics

Per AAP guidelines. Non-negotiable at every sleep, with every caregiver.

  • Always on their back
  • Firm, flat surface only
  • No loose bedding, bumpers, or pillows
  • No positioners or inclined sleepers
  • Room share (not bed share) for at least 6 months
  • Keep the sleep space smoke-free

The First Six Weeks

The only goal right now is sleep by any means necessary. You cannot spoil a newborn.

  • The sleepy phase: Most babies wake naturally every 2-3 hours. Follow their lead at night. During the day, cap naps at 2-2.5 hours to prevent day/night confusion.
  • Wake windows: Keep them very short, 30-60 minutes. Catch sleep cues early. Glazed eyes come before yawning, and yawning may mean you are already running late.
  • Feeding and sleep: Feeding to sleep is completely normal and appropriate in the newborn stage. It is not a habit you need to address yet.
  • No bad habits yet: Rocking, holding, contact naps, whatever works. The concept of habits becomes relevant later, not now.

Wake Windows by Age

A wake window is the amount of time your baby can comfortably stay awake between sleep periods. Going over the window leads to overtiredness, which makes falling and staying asleep harder, not easier.

Age Wake Window Naps per Day
0-6 weeks30-60 minutes4-6 (variable)
6-12 weeks45-75 minutes4-5
3-4 months75-120 minutes3-4
5-6 months2-2.5 hours3
7-9 months2.5-3.5 hours2
10-12 months3-4 hours2

These are ranges, not prescriptions. Watch your baby first, the clock second.

The Transition Periods

Your baby's sleep is not static. Each stage brings new biological capabilities. The overall goal over time is to gradually reduce how much support they need to fall asleep.

6-12 wks Awake windows begin to lengthen and a more consistent morning nap typically emerges around 9 weeks. You may start to see a longer first stretch at night.
12-16 wks Circadian rhythms are set. Babies begin producing their own melatonin around 11-12 weeks corrected age. Bedtime should shift earlier, ideally no later than 7pm, to work with this new rhythm rather than against it.
4 months+ Sleep begins to consolidate and nap patterns become more predictable. Two longer naps and a brief catnap are typical by 5-6 months. A consistent bedtime routine becomes increasingly important here.

The 4-month sleep regression

Around 4 months, sleep architecture permanently matures to resemble adult sleep cycles, with a full arousal between each cycle. Babies who were sleeping well may suddenly stop. This is not a setback; it is a neurological milestone. It does mean that whatever support your baby relied on to fall asleep initially, whether that is rocking, feeding, or motion, will now be needed again at each wake-up throughout the night. This is why the habits and environment you build in the early weeks matter. The regression itself is temporary. The patterns around it tend to stay.

Foundations for Success

  • Environment: Room temperature 68-72°F, white noise at roughly 65-70 decibels (about the level of a running shower), and a pitch-black room. Darkness triggers melatonin production. These three things are easy and high-impact.
  • Routine: A 5-10 minute pre-sleep sequence, the same order every time, with every caregiver. It does not need to be elaborate. Predictability is the point. The routine signals the nervous system that sleep is coming.

The Soothing Ladder

Before jumping to full intervention when your baby stirs, move through these steps and give each one a moment. You may be surprised at what your baby can do with a little space.

1
Wait and listen Pause before going in. Many babies cycle through light sleep and will resettle on their own within 1-2 minutes.
2
Voice only Speak softly from outside the room or from the doorway without entering. Your voice alone is often enough.
3
Hand on chest Enter the room, place a steady hand on the chest, and use a rhythmic shush or pat without lifting. Keep stimulation minimal.
4
Pick up Soothe fully, then return your baby to the crib drowsy but calm.

About Sleep Training

Sleep training is a personal choice, appropriate only after 4 months and once your pediatrician has cleared your baby's weight gain. It is never a given, and it is not the only path to better sleep. The foundations in Section 03 can make a meaningful difference on their own.

If you do choose to sleep train, there are three broad approaches. The right fit depends on your baby's temperament and your own capacity for the process.

1
No parental involvement (Extinction / CIO) Baby is placed in the crib awake after the routine and you do not return until morning or a set wake time. The most efficient method and well-supported by research. Crying typically decreases significantly by night 3-4.
2
Timed checks (Ferber / Graduated Extinction) You return to the room at gradually increasing intervals to offer brief verbal reassurance, without picking up or assisting sleep. Takes slightly longer than extinction but provides more parental contact during the process.
3
Chair method A parent sits by the crib offering minimal soothing, moving the chair progressively farther away every few nights until you are outside the room. The slowest approach, but the most supported for families who need to remain present throughout.

A note on crying

All sleep training methods involve some degree of protest. Babies communicate through crying, and change is hard. The research consistently shows that sleep training does not negatively impact attachment, stress hormones, or long-term child wellbeing when done at the appropriate developmental stage with a calm, consistent parent.

If you'd like personalized support

Every family's sleep situation is different. If you want a clear, individualized roadmap for your baby's first year, that is exactly what a MOMally consultation is built to provide.

Book a Consultation

Andrea Scannell is a certified pediatric sleep consultant and postpartum doula, not a medical doctor. Content reflects current AAP Safe Sleep guidelines and general pediatric sleep science. Always consult your pediatrician with medical concerns.