In Spanish, 'I don't know anything' is 'No sé nada'.
The Spanish equivalent for 'I don't know anything' is No sé nada. This phrase translates to 'I don't know anything' in English.
In the context provided, phrases like 'No duermo nada' (I don't sleep at all), 'No comprendo nada' (I don't understand anything), and 'No como nada' (I don't eat anything) have slightly different meanings.
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