A mixture of dried snot, drool, and eye crust mixed with your first cup of coffee in the morning. If there was sexual intercourse or any other similar actions, cum and fecial mater, if involved, can also be added to make a more potent mixture.
Some people absolutely HAVE to follow their "morning brewtine" --- otherwise, they follow their morning BRUTEine --- i.e., they're a real "bear" to everyone around them without their initial caffeine fix!