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Acta Paediatr. 2015 Mar;104(3):306-12. doi: 10.1111/apa.12904. Epub 2015 Jan 29.

Evening media exposure reduces night-time sleep.

Author information

1
Division of Growth and Development, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand.

Abstract

AIM:

To investigate whether evening media exposure, bedroom media use and night-time sleep duration at age 6 months are associated with night-time sleep duration in 12-month-old Thai infants.

METHODS:

We enrolled 208 infants in this study at 6 months of age. They were followed-up at 12 months of age. A sleep diary was used to document the infant's sleep onset and wake time at each visit. Night-time sleep duration was then calculated at both ages. Screen media exposure in the household was assessed in depth at both visits.

RESULTS:

Infants who were exposed to screen media in the evening at 12 months of age had a 28-min decrease in 12-month night-time sleep duration on weekdays. Moreover, infants who were exposed to screen media in the evening at age 6 months and 12 months had shorter 12-month night-time sleep duration compared with those who were not exposed to screen media after 7 pm at both ages. Night-time sleep duration at 12 months of age was also directly related to 6-month night-time sleep duration.

CONCLUSION:

Infants exposed to screen media in the evening at 12 months of age had decreased 12-month night-time sleep duration. To promote good sleep hygiene and optimal sleep for infants at this age, screen media exposure after 7 pm should be avoided.

KEYWORDS:

infants; media; screen time; sleep; television viewing

PMID:
25521612
DOI:
10.1111/apa.12904
[Indexed for MEDLINE]
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