sleep a lot

If the study period starts later, students will get more sleep and their academic results will increase.

It doesn't matter if you sleep a little on the weekend. But if you sleep for 10 hours in a row during the night and still have a yawning yawn at noon, you're having a health

Studies have shown that just spending a few nights sleeping 7 hours or less is enough to make our brains become less alert and react significantly slower.

We all know well, too little sleep can be harmful to health. However, a new study reveals that frequent sleeping too much can even lead to worse consequences.