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The sleep of a 2-month-old baby

Two months is when something unlocks. Not sleep itself — nights stay broken — but the internal clock, which finally starts running.

Around six to eight weeks, your baby starts producing their own melatonin. In practice, their longest stretch of sleep moves into the night. This is often the month of the first slightly long night, the one you are still talking about three years later.

A word of caution though: one good night does not mean it is settled. With my second, the first five-hour night came at seven weeks — the next one three weeks later. That is normal, and it helps to know it in advance.

Sleep per 24 h

14 – 17 h

Of which at night

8 – 10 h

Naps

4 – 5

Awake window

1 h – 1 h 45

One cycle lasts

~ 50 min

Before putting down

~ 20 min

The key point at this age

Evening crying peaks now

Around six weeks, many babies cry in the late afternoon with no identifiable cause, sometimes for an hour or two at a stretch. It is not a sleep problem, and it is not your fault either. The peak is at its highest around six weeks and then declines clearly until three or four months. Knowing the curve comes back down helps you get through it.

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They fall asleep

Their night at 2 months, minute by minute

    The whole night, at a glance

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    The timer: when can I put them down?

    Start it the second they fall asleep in your arms.

    --:--before putting them down

    While you wait, keep them against you and try not to move. The countdown will tell you when their sleep is deep enough for the transfer.

    Keep this tab open. The timer stays accurate even if the screen turns off.

    The day / night rhythm starts to settle

    Around six to eight weeks, your baby starts producing their own melatonin. That is the real beginning of day and night — and often the first slightly long night.

    • The longest stretch of sleep moves into the night: that is the signal the internal clock is starting up.
    • Expose them to daylight in the morning and keep nights dark and quiet: that is what sets their clock, far more than any schedule.
    • Naps stay chaotic. A thirty-minute nap and a two-hour one on the same day is ordinary.
    • Quiet sleep gains ground on active sleep: their sleep gradually becomes more stable.

    The classic trap

    Evening crying peaks around six weeks and then declines. It is not a sleep problem, and it passes.

    Falling asleep alone at this age

    ✕ Not yet

    You can start putting them down drowsy but still awake, now and then, without expecting a result. Think of it as practice, not yet a skill.

    Put down awake, a child of this age usually takes 5 to 20 minutes to fall asleep. That squirming is normal.

    How much sleep they need, age by age

    The shaded band is the normal range over 24 hours. Hover to read an age range.

    0h4h8h12h16hbirth6 mo1 year18 mo2 years30 mo3 years
    Total sleep over 24 hOf which at night

    Hover over the curve to read an age range.

    The questions of this age

    How do I help my two-month-old tell day from night?

    Through light, far more than through timing. Expose them to daylight from the morning, including during naps, and keep nights dark and quiet: fast nappy changes, minimal night light, no conversation. That contrast sets their clock, not the regularity of bedtime.

    How long can a two-month-old stay awake?

    One hour to an hour and a half, rarely more. Beyond that they tip into overtiredness, and an overtired baby falls asleep worse, not better. Yawning, a fixed stare and reddening ears are your best indicators.

    My two-month-old’s naps are all over the place — is that normal?

    Yes. A thirty-minute nap and a two-hour nap on the same day is ordinary at this age. Naps do not become regular before three or four months, and trying to fix them now mostly creates frustration.

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