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Meta-analysis of quantitative sleep parameters from childhood to old age in healthy individuals
Ohayon MM, Carskadon MA, Guilleminault C, Vitiello MV · Sleep 27(7):1255–1273 · 2004
Key finding
Total sleep time and deep sleep decline modestly across adulthood — some reduction with age is normal.
Citation
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Long-term effects of pregnancy and childbirth on sleep satisfaction and…Parents' sleep satisfaction and duration did not fully recover for up to 6 years after the first child, most markedly in mothers.Trajectories of maternal sleep problems before and after childbirthInsomnia was common in late pregnancy and persisted at 2 years postpartum in a large share of mothers.
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