Help! Need sleep.

Ni

Hello! I was just reaching out to see if anyone had any tips and/or tricks that can help a 5mo sleep better. He was sleeping 11-12hrs a night up until a few weeks ago & now it’s only 3-4 hour stretches. Idk if I got spoiled or not but can we please go back to the longer stretches. 🙋🏼‍♀️ Anyway if anything as worked for you please let me know. We do put him to bed awake & make sure his wake windows are not stretched to much. Thank you in advance. ❤️