In our busy lives, there are many people who stay up late for work, studies, social media, or entertainment. Our day starts with office email notifications or social media feeds on our smartphones, and the night ends with scrolling continuously on the screen while lying in bed. Many think, “It doesn’t matter if I sleep a little less today, I will sleep tomorrow.” Again, some think that to be successful, working more with less sleep is the smart thing to do. But reality is completely different. Every day, without even knowing it, we are sacrificing an invaluable thing, and that…