Inclusion Criteria:  The term baby (37-39+6 weeks) of the newborn according to the menstruation of the mothers Need to have phototherapy treatment for the first time Not taking analgesics and/or sedatives in the last 24 hours Body weight in the range of 2500 - 4000 g Postnatal age of the newborn greater than 48 hours Turkish Neonatology Society's approach, follow-up and treatment guideline for neonatal jaundice (2014) Being a medium and high risk baby according to the table of risk status determination of babies according to postnatal age and transcutaneous or total serum bilirubin values. Not taking any treatment or medication other than phototherapy treatment The mother and/or father accepting the study is having a baby.  Exclusion Criteria:  Having a health problem other than physiological jaundice Findings such as tachypnea, fever Having an invasive procedure other than blood sampling once a day for babies Exchanged babies Babies with Rh and AB0 incompatibility Babies with elevated bilirubin levels earlier than 48 hours Discord with family