There is a well-documented mnemonic phenomenon where memories are easier to access in mental states close to the one you were in when they were formed.
Interesting, then, that I often remember details of office work when I'm drunk.
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In a dream I remembered a whole series of dreams of which my conscious mind was previously unaware of.
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The stereotypical example is getting drunk to find the keys you lost while drunk, I believe, but I like yours better.