We will see such crashes in bitcoin because bitcoin appreciated so much in so little time so it would be healthy to see some correction. Also, there will be traders would be love to lock in some profits. It's totally normal in crypto universe.
Its normal and healthy to have some correction and I think a lot have expected for there to be a correction since the price got really high last money in just a very short period of time.
Yes it's pretty normal that we need some correction. So New comers will come and buy bitcoin at this price don't worry about the price dip but look it further it's future price. Bitcoin crashes is part of the Fuds spreading online.