Crib sleeping

Mama of 3 • Wife & Mama of 3 ASD supporter 🧩 2 princes🤴 1 princess 👸🏻 Coffee ALWAYS ☕️

As of today I have transitioned my 3 month old to solely his crib. He has outgrown his bassinet. I know nothing is suppose to be in the crib, but I am so concerned that my baby boy is going to wiggle and roll around everywhere or that there is too much space & room in his crib. Is there anything I can do to prevent this or is this just a natural feeling and I’ll get over it the more he sleeps in his crib?