1 Vitamin B12 is found only in animal foods and fortified foods. 2  People who avoid all animal products should look for meat alternatives, such as soy products fortified with vitamin B 12. 3  Ten to thirty percent of older people may not absorb vitamin B 12 well.
Like brewed coffee, whole coffee beans add almost nothing to your caloric intake. As food energy is measured in calories, eating coffee beans will not technically provide you with energy. But coffee beans are high in caffeine, which can make you feel more energetic. Although there is no way to measure this subjective feeling, you need to eat approximately 4 to 6 tablespoons of coffee beans before you feel the energizing effects of caffeine.
1 Heavy, spicy foods such as chili or curries. 2  Drinks or foods that contain caffeine, such as chocolate, tea, coffee, and colas. 3  Alcohol. 4  Although a night cap may help you to fall asleep quickly, it can also make you restless, cause you to wake up in the middle of the night, and generally interfere with your sleep.oods that Keep You Awake. While there are a number of helpful sleep inducing foods, there are also several foods and drinks that can keep you awake at night. If you're trying to improve your sleep, you need to stay away from the following. 1  Heavy, spicy foods such as chili or curries.