There are many parents who need help to make their babies sleep at times. When babies are around 3-4 months old, their sleep patterns begin to mature. Instead of continuing to sleep as newborns, their models now have additional cycles of light sleep and deep sleep.
Remember, a lot of changes for your baby, so try, at least for now, to "go with the flow." This could mean your baby naps in a swing, stroller, or car so they can sleep during the day. What worked yesterday may not work well today, so be prepared to try a few different options for 4-month sleep regression in Australia.
At this age, babies begin to produce melatonin, which regulates our sleep-wake cycle. As long as newborn sleep isn't tightly controlled by circadian rhythms, things begin to change at this age. Sleep begins to mature, and babies begin to sleep in phases and cycles, similar to adults.
This will encourage him and help him fall asleep. Stay with him and offer him physical and verbal trust. If, despite your reassuring help, he does nothing but cry for 15 minutes, pick him up and rock him, hold him, or feed him to sleep and try the next night or when you're both feeling better.
Once the baby begins to sleep deeply, there will be a brief wake-up period after each cycle. While this waking phase can lead to new sleep problems, it's actually a pretty cool innate defense mechanism and allows the body to check the environment to make sure everything is safe and sound all night.