This phase, called a sleep regression, is a normal part of a baby's development – though that doesn't make it any easier to deal with. Here's how to help your baby get back to sleeping soundly.

“Dealing with your baby’s sleep regression can be so challenging,” said Cierra Murphy Higgs, a perinatal maternal health ...

Sleep varies for each baby and from the moment they're born ... Issues such as teething, growth spurts, illnesses, or sleep regressions may start leading to nighttime awakenings.