The next time you need some extra energy you might want to try a trick aromatherapists use--cinnamon. Keep some of this spice in a small cloth bag in the top drawer of your desk. So every time you open that drawer, you'll get a stimulating whiff and more concentration.
Inhaling peppermint oil is known to improve mental accuracy in tasks such as typing and filing alphabetically faster. Sucking on mint candy can also help boost brain function according to experts in one study.
Smelling coffee alone can get your brain revved up. Try keeping a small dish with some beans on your desk and sniff when you feel yourself winding down.
The scent of lemon is great for lifting your mood as well as stamina. Something as insignificant as switching to a lemon-scented cleaner or air freshener could possibly do the trick. Another helpful thing to try is a squeeze of a fresh lemon into a glass of water.
The scent of floral jasmine can stimulate the brain also. If you drink some aromatic jasmine tea, you find yourself feeling more alert by the time you finish!