Through the study called Health eHeart, I really worry for my friends and family, often Do use technology vì chúng for entertainment, work, due to homework, etc, all before you go sleep. Than that, I will share this article to help secretarial add Harmful effects of là add a poor night's sleep having. I am a big fan of technology, but I think after reading this article need to think carefully about chúng the Consequences of using added.
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