Phrase guide
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noun
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.
Definition source: English Wiktionary via Wiktextract
Topics: human-sciences, psychology, sciences
Synonyms: none provided
Antonyms: none provided
History
No etymology was provided for this word.
