Tired? Drinking a cup of coffee should do the trick.However, if you don’t drink it, simply inhaling the aroma of coffee may beenough to help you feel more awake, suggests a study cited in the Journal of Agricultural and Food Chemistry.
Thestudy, which was carried out in Japan, found that when sleep-deprived rats wereexposed to the aroma of coffee it was enough to reverse the effects of theirsleep deprivation.