Is it normal for a newborn to sleep for more than 5 hours a night?

Newborns sleep more than 5 hours a sleep may be a normal phenomenon, but it may also be abnormal, depending on the situation.
1. Normal phenomenon: newborns sleep relatively more, usually sleep about 16-20 hours a day, most of the newborns in the sleep 2-3 hours due to hunger or urination and defecation more will be awake, there are some babies eat more before bed, no urination and defecation during sleep, sleep time will be longer, once can sleep for about 5 hours.
Generally in the baby sleep after waking up if there is no abnormalities, good mental state, good appetite, normal weight gain, etc., is a normal phenomenon, generally do not need to worry too much.
2. Abnormal situation: if the newborn sleeps for more than 5 hours after waking up, the mental state is not good, the appetite obviously decreases, for the stimulation of no crying and no reaction, the activity amount obviously decreases, combined with jaundice, need to be highly alert to the possibility of neonatal sepsis. The neonatology department needs to be consulted immediately and the baby should be hospitalized.
Newborns often have atypical manifestations of various diseases, such as the baby’s poor mental response, it is recommended to consult a doctor to clarify the diagnosis, under the guidance of the doctor to be targeted treatment.