4 Month Old Sleep Regression

Its a horrible sleep disruption that starts at about three or four months of age and then reoccurs around eight months 12 months and then again at 18 months.

4 month old sleep regression. Sleep regression is the time when your babys sleep patterns shift they wake up. A lightly weighted swaddle if baby isnt rolling over yet or sleeping bag will help keep her calm and cozy. When a baby is a newborn their sleep is disorganized and is not governed by the circadian rhythm.

If you keep this up for a day or two and notice your baby doesnt want to feed at these times then its likely a sleep issue not a hunger one. A sleep regression is thought to occur when a baby who is normally sleeping well begins to wake frequently at night andor fightsrefuses naps. There is thought to be a regression around 34 months 9 months and 18 months.

Assume that baby is hungry and simply feed baby as soon as he wakes. One of the major ways the 4 month old sleep regression shows itself is by babies waking up after only 45 minutes. The 4 month sleep regression is when a babys brain makes a developmental leap and hisher sleep cycles change.

A babys first period of sleep regression typically occurs between when theyre three and five months old and is most commonly referred to as the four-month sleep regression In addition to disrupted sleep patterns other signs of the four-month sleep regression may include fussiness waking up multiple times during the night napping less and changes in appetite. The most common age is 3 months to 4 months old. 4 Month Sleep Regression.

However there is no need to be depressed about it. Its those brief awake periods that can cause a lot of disruptions to sleep and lead to the dreaded 4-month regression We put quotes around the word because we view it as somewhat of a misnomer. Revised and updated from an earlier version At Baby Sleep Science we dont like the term four-month regression because the changes in sleep that occur around 34 months old arent really a regression at all.

The 4 month sleep regression can start any time after 8 weeks old though some babies dont sleep well from birth. It is the first of many new sleep patterns babies experience as they mature. Four-month sleep regression is one of the fine prints of parenting.