导演:罗伯特·罗德里格兹主演:tablo,秋成勋,李辉才,张铉诚,宋一国,严泰雄,宋大韩,宋民国,宋万岁
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.