How dirty are sheets that haven’t been changed for a month? After reading it, you will definitely go to change the sheets!

How often should you change your bed sheets? To investigate this little problem, we consulted with dermatologists and looked at a lot of data, and came to a surprising conclusion. To be honest, after reading this, I bet you will change your sheets frequently. How dirty is the bed you sleep in every day? This is …
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Space research that makes you lie down and earn money

Do you think you study too hard and want to lie flat? Now there is a chance for you to lie down all day, contribute to science and get rich bonuses. Are you willing to try? Don’t rush to promise. First learn about this special task. Lie down and simulate weightlessness In the weightless environment …
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Brush your mobile phone for 8 minutes before going to bed and your brain is excited for 1 hour! The latest sleep survey in the United States confirmed

At the end of a busy day, leaning on the head of the bed to brush the mobile phone and chase the drama is probably the most comfortable time of the day for many people. Playing mobile phones before going to bed for a long time will not only lead to sleep delay, but also …
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Hi guys, sleeping in a hard bed is really easy to hurt your waist!

The strained waist is just like a knife that will hurt people. In recent years, not only elderly people, but also the incidence rate of lumbar spondylosis among young people. For people with poor waist, choosing the right mattress is actually very important. But many people have a deep attachment to the “hard bed”, especially our …
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How hard is the bed to hold up a tired waist?

If calculated according to 8 hours of sleep, one third of life is spent with the bed. The bed can make people full of blood and revive, and it can also make people with poor waist sleep sore back…In order to protect the waist, some people even remove the mattress directly, thinking that the rigid …
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