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Medicine and Health

Are phones really linked with our lack of sleep?

Are phones really linked with our lack of sleep?
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Matt Davis
October 17, 2015

In a previous article, based on some studies, I’ve written about how researchers have found an explanation about how checking our phones in bed, before sleep, makes our brains think it is day time and they become more alert. Also, that the use of social media at night seems to be affecting our mental health by inducing lack of sleep. Recently a study published in Current Biology tried out the theory that our pre-industrial ancestors slept longer and better than us and found that to not be true.

Researchers have asked for volunteers from three groups of people who are still living in tribes and who’s lifestyles are similar to people of the pre-industrial era, even the pre-agricultural one. People from Tsimané in Bolivia, the Hadza from the northern Tanzania and Ju/’hoansi-San of the Kalahari Desert from southern Africa, have agreed to become volunteers. Volunteers had to wear devices that were recording their movements, blood vessel constriction, humidity and temperature for a period of time. The total data collected was worth 1165 days and found that these people sleep an average of 6.5 hours a night. People from industrial society sleep an average of 7.5 hours a night, without including chronic sleep disorders.

Also, the volunteers didn’t go to sleep as the sun set down, as previously believed, their bedtime isn’t regulated by daylight, but by temperature, so it takes an average of three hours after the sun sets to reach the temperature that triggers the need of sleep.

Although, this study doesn’t prove that lack of sleep isn’t linked with our phone checking before bedtime, it disapproves the theory that our ancestors slept more and better. And even if we seem to sleep longer, our stress levels are higher and it takes longer for our brain to refresh itself. Does our lack of sleep really come from staring at our screens before sleep? Opinions seem to be biased, so future studies will be made to answer that question once and for all.

Post Views: 312
W3Schools
Related Itemsbedbraincurrent biologylack of sleepLinkphonessleep
Medicine and Health
October 17, 2015
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Matt Davis

Who doesn’t enjoy listening to a good story. Personally I love reading about the people who inspire me and what it took for them to achieve their success. As I am a bit of a self confessed tech geek I think there is no better way to discover these stories than by reading every day some articles or the newspaper . My bookcases are filled with good tech biographies, they remind me that anyone can be a success. So even if you come from an underprivileged part of society or you aren’t the smartest person in the room we all have a chance to reach the top. The same message shines in my beliefs. All it takes to succeed is a good idea, a little risk and a lot of hard work and any geek can become a success. VENI VIDI VICI .

Related Itemsbedbraincurrent biologylack of sleepLinkphonessleep

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