Can I slow cook a 3.25 beef roast for 4 hours on high, refridgerate in the crock pot overnight and then cook on low again in the morning for 4 hours?

Can I slow cook a 3.25 beef roast (not browned) with vegetables for 4 hours on high, refrigerate in the crock pot overnight, and then cook on low again in the morning for 4 hours?

I am new to cooking at all!

Bonnie