My baby is 5 months old and sleeps well at night, approx 4-5 hours. However, for the past 3 days, she had disturbed sleep and was crying badly atleast for 10-15 mins. I’m not sure if it’s pain due to gas or any other reason.

A. it needs to be evaluated because crankiness can be due to most commonly gases or hunger or sometimes diaper rashes on baby might be feeling uncomfortable in the clothing of the room temperature might not be favourable for him