In a study published in the Journal of Sleep Research，Finnish investigators tried to get at that_question，surveying 321 parents of 5-and 6-year-old children to determine the families’ viewing patterns and the effect this had on the kids’ sleep habits.

　　All of the families in the study watched a pretty fair amount of TV，with at least one television in the house switched on for an average of 4.2 hrs.per day.On average a child actively watched TV for 1.4 of those hours and was passively exposed to TV for at least another 1.4 hrs.In 21% of the homes，the kids had a TV of their own in the bedroom.

　　All that exposure，it turns out，was doing the kids’ sleep patterns no favors.In general，the greater the number of hours of passive or active viewing was，the more problems young children had falling asleep，staying asleep，waking up in the morning and avoiding fatigue during the day.

　　But not all TV viewing was equal.Watching TV alone or at bedtime had greater negative impact on sleep.Unusually high passive exposure－2.1 hrs.per day or more－was particularly associated with sleep disturbances，especially when they were adult shows to which the kids were exposed.

　　1．What do childcare specialists care more about when talking about children’s watching

　　TV ? ( no more than 9 words)

　　________________________________________________________________________

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