If you’re talking on the phone at work, stand up or walk around while you do so. During your breaks, move away from your workstation, take a short walk or walk up and down stairs, and stay in motion.
4. Drink water
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If you’re dehydrated, you might feel even more tired. While it’s essential to drink enough water each day, you need to drink a bit more when you are feeling sleepy and tired to stay awake. Drinking a pint of cold water is a great way to refresh yourself on a hot summer day and to stay more alert when you are tired.
5. Snacks
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Cocoa beans naturally contain alertness-boosting caffeine, but not as much as coffee. Bonus: Chocolate also has heart-healthy flavonoids. Remember, the darker the chocolate, the more the caffeine it has.Just don’t use this as an excuse to overindulge – dark chocolate, like almost anything dessert-worthy, is best consumed in moderation.