"First, let's review the process of sleeping every night!"
Wei Liqun pressed the Remote Control, and a line appeared on the big screen, with the words "Drowsiness Period" floating above it.
"Drowsiness Period! The body relaxes and breathing slows, but consciousness has not yet become hazy. It lasts anywhere from ten minutes to half an hour!"
"Next is the Light Sleep Period! Your heart rate slows and your body temperature drops slightly. Outside noises can no longer wake you, but sensitive sounds—such as someone softly calling your name—still can. It lasts forty minutes!"
"Medium-Deep Sleep Period! Even faint sounds can no longer wake you. Your consciousness enters chaos—that's what we commonly call 'almost asleep'!"
"Finally, you slip into the Deep Sleep Period! All bodily functions drop to their lowest levels. At this point, it's very difficult to wake you, and even if you're forcibly awakened, you'll remain groggy."
Multiple lines had appeared across the big screen, each in a different color and labeled with the name of a sleep period.
Wei Liqun pressed the Remote Control, and an eye-catching red circle appeared around the Deep Sleep Period.
"Here, I want to highlight something important! The Deep Sleep Period is the most important sleep humans get. You could even say it's true sleep!"
"At this time, children secrete growth hormones, and this is when they grow taller! The body also repairs itself, fatigue is eliminated, and immunity is strengthened during this stage! This is the true rest period!"
"Finally, there's the Rapid Eye Movement Sleep Period—the so-called dreaming stage. The latest research shows that dreaming can develop a person's creativity and provides many benefits to the brain!"
Facing the audience, Wei Liqun said, "Those are the various stages of sleep. The ideal total duration is eight hours, but there will be