Can simply smelling a cup of coffee give you the same energy boost as drinking it? New research suggests it might. Waking up can be challenging, especially when cold winter mornings make it even harder to leave our cozy, warm beds, but it turns out, some specific scents may help us perk up faster. Dr. Supriya Rao explains that certain scents can stimulate the brain and “enhance alertness,” some of them even help us focus and boost our energy.