Girls who had never had regular bedtimes at ages 3, 5, and 7 had significantly lower reading, maths and spatial awareness scores than girls who had had consistent bedtimes. The impact was the same in boys, but for any two of the three time points.

Baby einsteinGoing to bed at different times every night throughout early childhood seems to curb children’s brain power, according to a large, long term study by academics in the ESRC International Centre for Lifecourse Studies in Society and Health at UCL.

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Given the importance of early childhood development on subsequent health, there may be knock-on effects across the life course, suggest the authors.

The authors looked at whether bedtimes in early childhood were related to brain power in more than 11,000 seven year olds, all of whom were part of the UK Millennium Cohort Study (MCS).

The authors point out that irregular bedtimes could disrupt natural body rhythms and cause sleep deprivation, so undermining the plasticity of the brain and the ability to acquire and retain information.

Senior author Professor Amanda Sacker, Director of the ESRC International Centre for Lifecourse Studies in Society and Health at UCL, says: “Sleep is the price we pay for plasticity on the prior day and the investment needed to allow learning fresh the next day. Early child development has profound influences on health and wellbeing across the life course. Therefore, reduced or disrupted sleep, especially if it occurs at key times in development, could have important impacts on health throughout life.”

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Posted on July 10, 2013By Neuroscience NewsFeatured, Psychology