Putting my iMac to sleep crashed my jump drive.

So I was working on a project in after effects off of a jump drive. I put the computer to sleep because I had to go help a friend move. I left it in sleep mode over night and when I came back to it, it refused to read my jump drive. The thing was still in too. It didn't even give me the option to eject it. So I pulled it out and put it back it. I would read it for a second and then it gave the disk not ejected properly reading. Anything I can do or is it just crashed?

Repair it with Disk Utility.

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Putting my iMac to sleep crashed my jump drive.

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