Girls, can you tell me (more experienced moms)? Baby is one month old,…

Girls, can you tell me (more experienced moms)? Baby is one month old, sleeps very little. At night it can still sleep for two hours, but during the day it naps for 15 minutes and goes for a walk until the next feeding. Seems full (we're on mixed breastfeeding, definitely clean))) and I can't say anything is bothering her, but she doesn't sleep and occasionally boils water and that's all! I can't understand if this is normal or should I consult a pediatrician? Everywhere they write that in this age children sleep 16-18 hours, and she sleeps only 10 hours...