How does newborn jaundice bask in the sun

Newborn physiological jaundice, can be relieved by the sun, you can choose to bask in the sun at 10 a.m. or 4 p.m., the sun, temperature are more appropriate. If in the indoor sun, you need to block the baby's eyes, can not be directly facing the sun, can not be separated by glass sun, otherwise there is no effect.