At 4 months, the development of a baby’s brain might create instability in their sleep, resulting in fussiness, multiple night wakings, less napping, and appetite changes.
There is no single solution to fix these problems, and caregivers are encouraged to remember that sleep regressions are normal and, most importantly, temporary.
However, after Reddit user Adorable_Banana_7262‘s daughter started experiencing these disruptions, her husband failed to realize the toll they were taking on his wife as well. One time, he even invited his relatives to visit them early in the morning!
