Saturday December 14, 2019

Kids Spending More Time in Watching TV Get Less Sleep

On an average, young children without TVs in their bedrooms slept 30 minutes more at night than those with a TV in their bedroom

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Pre-schoolers who watch less than one hour of TV per day get 22 more minutes of sleep at night — or nearly 2.5 hours per week — than those who watch more than an hour of TV daily, new research has found.

The study, published in Sleep Health, Journal of the National Sleep Foundation, suggests that TV use by young children affects the quality and duration of sleep, measured by an actigraphic device kids wore like a watch on their wrist.

Moreover, while daytime napping was found to increase among the kids who watched the most TV, it did not fully compensate for the lost sleep at night.

“The good news is, this is addressable. Parents assumed that TV was helping their kids wind down. But it didn’t work. Those kids weren’t getting good sleep, and it wasn’t helping them fall asleep better. It’s good to have this data,” said Rebecca Spencer, Associate Professor at the University of Massachusetts, Amherst in the US.

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Young kids who watch more TV get less sleep. Pixabay

A very diverse group of 470 pre-schoolers participated in the study, wearing actigraphs for up to 16 days. Their parents and caregivers answered questionnaires about demographics and the children’s health and behaviour, including detailed questions on TV use.

The findings showed that pre-schoolers who watch TV sleep significantly less than those who do not.

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On an average, young children without TVs in their bedrooms slept 30 minutes more at night than those with a TV in their bedroom, the study said.

The findings of the researchers come on the heels of new guidelines from the World Health Organisation (WHO), which say children between age 2 and 4 years should have no more than one hour of “sedentary screen time” daily – and less or no screen time is even better. (IANS)

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Here’s why you Should Not Sleep more than 9 Hours

Over 9 hours' of sleep may raise stroke risk by 23%

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You should sleep for 6-8 hours to be healthy. Lifetime Stock

People who sleep nine or more hours per night are 23 per cent more likely to later have a stroke than people who sleep seven to less than eight hours per night, warns a new study.

The results revealed that long naps are also not good for your health.

People who took a regular midday nap lasting more than 90 minutes were 25 per cent more likely to later have a stroke than people who took a regular nap lasting from one to 30 minutes, said the study published online in Neurology, the medical journal of the American Academy of Neurology.

People who took no naps or took naps lasting from 31 minutes to one hour were no more likely to have a stroke than people who took naps lasting from one to 30 minutes.

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A midday nap shouldn’t last more than 90 minutes. Lifetime Stock

“More research is needed to understand how taking long naps and sleeping longer hours at night may be tied to an increased risk of stroke, but previous studies have shown that long nappers and sleepers have unfavourable changes in their cholesterol levels and increased waist circumferences, both of which are risk factors for stroke,” said study author Xiaomin Zhang of Huazhong University of Science and Technology in Wuhan, China.

“In addition, long napping and sleeping may suggest an overall inactive lifestyle, which is also related to increased risk of stroke,” Zhang said.

The study involved 31,750 people in China with an average age of 62. The people did not have any history of stroke or other major health problems at the start of the study.

They were followed for an average of six years. During that time, there were 1,557 stroke cases.

The people were asked questions about their sleep and napping habits.

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People who were both long nappers and long sleepers were 85 per cent more likely to later have a stroke than people who were moderate sleepers and nappers, said the study.

“These results highlight the importance of moderate napping and sleeping duration and maintaining good sleep quality, especially in middle-age and older adults,” Zhang said. (IANS)