Almost 4 months old! Update pics on my baby girl. I want more so bad. Lol Can y'all share yalls…

Almost 4 months old! Update pics on my baby girl. I want more so bad. Lol

Can y'all share yalls experience on when and how y'all sleeped trained your babies?? I plan on sleep training this booger by around 6 months. Just needed some ideas on when and how? Untill then she is currently Co sleeping now.