Opened bag of raw spinach left out overnight?

I bought a new bag of spinach (Wal-Mart marketside) and opened it to eat it last night. Then I put the bag of spinach inside the grocery bag and tied it close. I forgot to put it inside the refrigerator and went to bed. It dat outside overnight from 11pm to 9:30 am. It does not look bad or smell or bad, but is it... show more I bought a new bag of spinach (Wal-Mart marketside) and opened it to eat it last night. Then I put the bag of spinach inside the grocery bag and tied it close. I forgot to put it inside the refrigerator and went to bed. It dat outside overnight from 11pm to 9:30 am. It does not look bad or smell or bad, but is it still safe to eat? I used it to make smoothies.
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