A lot of people get a "Big Mac attack" after the sun goes down. According to McDonald's Corp. MCD, +0.95% , 60% of delivery orders are placed at night, and one million customers around the world are having their burgers and McNuggets delivered to their homes daily. McDonald's forecasts that delivery will be a $4 billion global business in 2019, and will be available in more than 70% of McDonald's U.S.locations this year, a total of 10,000 restaurants. Around the world, delivery is available in 21,000 restaurants across 80 countries. To celebrate, McDonald's and its delivery partner, Uber Eats UBER, +3.32% , are hosting a "Global McDelivery Night In" on September 19. In the U.S., customers who place a minimum $10 delivery order at 5 p.m. local time will receive a limited edition item while supplies last. Those items include socks and slippers. The event will also be taking place in Canada and other countries. McDonald's launched delivery with Uber Eats and other partners in 2017. McDonald's stock has gained 30.5% over the past year while the Dow Jones Industrial Average DJIA, +1.33% is up 4.1% for the period.