My baby girl is 1 month and 20 days, it's been almost 10 days and her sleep time has reduced like total 12 hours max in a day, she sleeps well at night but in day time she is very fussy and sleeps for like 30-40 mins max in one go. Please let me know do I make her sleep more , we do set the proper environment but still be wakes up every time in like 15 mins .. what do do to make her sleep more?