I just want sleep :(

Daisy 🌼🌙 • First time mommy 💘

Help . My lo is 15 weeks old out of nowhere 3 days ago she hasn't been sleeping at night. For some reason she stay awake for 6 hours start from 10/11pm 😐 I work the next morning and I'm always so tired I feed her make her full ,sing to her, play with her ,bath time and i just can't get her to sleep. Am I the only one having this problem ? Please help any tips to have her sleep at night. She sleeps all morning since she didn't sleep at night 😐