Late Evening Coffee

I just had my second coffee about 5 minutes ago and that was at 6:20 pm.
I normally don't drink coffee that late but today after my cheesy greasy dinner, I feel like to have a warm drink and the coffee pop up into my head, so I just made one and have it. It was a very ligth coffee, so I hope it won't keep me awake all night long. Will have to drink more water to keep my whole system hydrated.