National Coffee Day falls on a Friday this year, which mean you can guzzle as much free caffeine as you want without having to worry about falling asleep anytime soon. Here is a list of coffee deals and freebies you can score to celebrate on Sept. 29, 2017. Some national chains are serving up BOGO, while others are offering freebies in exchange for app downloads. Still, a few more are offering free coffee to anyone who wants it: No gimmicks — bless their hearts. 7-Eleven 7-Eleven stores are celebrating by giving a free cup of coffee to 7Rewards members who show the bar code located in their 7Rewards smartphone app. Offer good one time between Friday, Sept. 29 and Sunday, Oct. 1. Cinnabon Get a free 12 oz. coffee on Friday. Dunkin’ Donuts DD is having a BOGO free medium hot coffee with purchase of medium or large hot coffee. Krispy Kreme From Friday,…