导演:海涛主演:刘在锡,河东勋,李光洙,金钟国,池石镇,姜熙建,宋智孝,梁世灿,全昭旻
The use of electronic devices before bedtime can interfere with our sleep patterns. The blue light emitted by screens can suppress the production of melatonin, the hormone that regulates sleep. It is important to limit screen time before bed.