Sleep Windows — The Science Of A Calm Session

— Section one

What a wake window actually is

A wake window is the amount of time a baby can be comfortably awake — from the end of one sleep to the start of the next — before they become overtired. Overtired babies do not sleep deeply, they fuss, and they are very hard to settle in a new environment.

Wake windows are short in the first weeks. Knowing them means we can time the session so baby naturally drifts to sleep in our hands, instead of fighting it.

— Section two

Wake windows by week

These are rough guides — every baby is different. Watch your baby, not the clock.

• —Week 0–2. 45–60 minutes awake at a time, including feeds.
• —Week 3–4. 60–75 minutes. Still very short.
• —Week 5–6. 75–90 minutes. The first hints of awake play.
• —Week 7–10. 90–120 minutes. Sessions become a little easier to time.
• —Most newborn sessions happen at weeks 1–3, when wake windows are shortest and sleep is deepest.

— Section three

The cluster-feed strategy for session morning

The single most useful trick. Most newborns sleep deepest after a big feed.

• —Two hours before session. Offer a smaller-than-usual feed. Top them up but don't fill them.
• —One hour before. Skip the feed. Keep baby calm, dim the lights, change them into the singlet they'll wear.
• —On arrival at studio. Sit and offer a full, unhurried feed. This is the feed that does the work — baby will be deeply full and warm.
• —After the feed. Baby almost always drifts to sleep within ten minutes of being warmed and wrapped. That's when we begin.

— Section four

The day before

Try to keep the day before the session calm and quiet at home. Limit visitors. Baby will be a little easier to settle if the previous twenty-four hours have been gentle.

Lay everything out the night before — outfits, feed bag, nappies, your own bag — so the morning is calm. Rushing parents produce a baby who can feel it.

— Section five

If baby won't settle at the studio

• —Skin-to-skin for ten minutes. Often the fastest reset. We step out, you cuddle, no pressure.
• —Warm and wrap snugly. Sometimes baby is cold from the trip in.
• —Try a quiet shush + sway. The studio has soft white noise; we'll use it.
• —Feed again. Even if they fed an hour ago, an unsettled baby usually wants another small feed.
• —Pause and wait. We have all morning. There is no rush, and no shot list pressure.