4. Happiness is a sushi roll
Sushi is the happy-hour hook at Delux in Phoenix, a restaurant that specializes in burgers and sushi. From Monday through Friday between 4 p.m. and 7 p.m., Delux holds its Sushi Happy Hour, offering sushi rolls for $3.50 to $8, depending on variety. For late-night customers, the restaurant runs what it calls a Reverse Happy Hour from 10 p.m. to midnight.