Night light is bad, play phone zap eyes, in addition to playing for a long time, will be very excited, reluctant to put down the phone, affect sleep quality.
Poor lighting at night, easy to play mobile eye injury, in addition to playing a long time, will be very excited, could not bear to put down the phone, affect the quality of sleep.
Light is not good at night, playing the phone easily hurt the eye, in addition, playing a long time, will be very excited, reluctant to put down the phone, affecting the quality of sleep.