2 kids under 2yrs old

Hi mums can you pls help me out, I am so stressed out with putting them both to sleep its been almost a week, my toddler have been sleeping with my mil and my parents, but soon they cant help me out anymore, and ofc its not gonna be forver sooner or later i have to figure it out, my toddler is super active and my newborn kept on wanting to be with me, and my toddler is so used to someone putting her to sleep like acting like we sleep so she will sleep too now I have a newborn, i tried once but end up she cry2 and sleep so late at 2am (her usual sleep time is 9am) any advice or tips mummies?