Becarefull with Company that offer passive income more than 10% amonth because all of them just use ponzi scheme. We can make money while sleep only by holding but there are also high risk and should be with risk management and strategy .
We can also make money while asleep by trading too, I know that technically, we believe we have to stay awake or focus on our personal system to trade to be able to trade and make money, but thanks to technology, most people make money trading while asleep by using the BOT trading software, with this, you can just set you trade and leave the rest for the BOT software to do, so even in your sleep, your trading goes on and you can expect to see your gain once you are awake provided you are trading the right coin.