The impact of unusually high temperatures in the summer of 2022 on infants’ sleep SciReports csinews hightemperature climatechange sleep childhealth
By Bhavana KunkalikarJun 23 2023Reviewed by Lily Ramsey, LLM In a recent study published in the Scientific Reports Journal, researchers investigated how the intense summer heat of 2022 affected the sleep patterns of infants and toddlers.
About the study The study involved the participation of 413 infants' parents. Nanit baby monitor users were invited via email to join a study exploring the correlation between climate change and sleep. The study primarily determined if infants' sleep was affected during the three heat waves in the Summer of 2022. The researchers explored a changepoint assessment on all sleep estimates. The within-subject average of each sleep estimate was utilized over 84 nights without a heatwave. The deviation from each sleep estimate on each night was calculated compared to the within-subject average.
During the period between 8 July to 15 August, infants took 1.37 minutes longer to fall asleep compared to the average of non-heatwave nights. Infants fell asleep 0.47 minutes earlier than usual on nights following 16 August, unaffected by heat waves. The number of night wakings in infants showed significant changes on 26 June, 9 July, 17 July, 19 July, and 14 August. Infants woke up an average of 0.18 more times than non-heatwave nights until 26 June. Infants experienced a 0.02 increase in wake-ups between 27 June to 9 July.
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