Meaning of sleep regression | Babel Free

Definitions

A period of days or weeks during the first two years of life characterized by a change in an infant's sleep patterns, leading to irregularities such as increased awakenings and fussiness.

Examples

“four-month sleep regression”

“Between their input and Google’s, Smith surmised that her daughter was experiencing what many parenting books and websites refer to as a “sleep regression” — a stretch of days or even weeks where babies suddenly don’t seem to sleep or nap in the same ways they used to.”

CEFR level