Is it good to keep a hard drive empty?

I was just wondering, would a computer's hard drive perform better when it has more space free? Lately I have been taking a lot of video and storing it on my PC, the hard drive doesn't seem to be very happy with this (working a little slower and crashed a few times) So is there any truth to... show more I was just wondering, would a computer's hard drive perform better when it has more space free?

Lately I have been taking a lot of video and storing it on my PC, the hard drive doesn't seem to be very happy with this (working a little slower and crashed a few times)

So is there any truth to this?

Thanks guys!
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