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If You Haven't Had a Drop of Water All Day...
We know how important it is, but there are days when we're just too distracted to stop and sip, or when we feel like we need caffeine more than we need hydration. Yet dehydration can absolutely contribute to sleepiness. One way to combat that (aside from drinking H2O, that is) is to munch on hydrating fruits and vegetables, whether cucumber slices (they're 95 percent water) or strawberries (90 percent water).