With all this IOM Hours stuff I've been thinking a lot about night call coverage and am trying to find a research project I can do. I'm trying to figure out what are the common types of night coverage systems in use in surgery residency and how they work out. Just wondering if I could get some input from the forum about the different ways it's done. Seems like Night Float is a popular system. Do these typically cover every general surgery(and gen surg subspecialty rotations) patient in the hospital, or do they frequently leave some services out to cover themselves with home cal or traditional call schedule? When a traditional call schedule is used(q3 or q4 call) do these cover every general surgery patient in the hospital or are there usually multiple teams covering 1-2 services each. Homecall - how common is this really? Mainly just for midlevels and chiefs, or for interns as well? What other night call coverage systems are there?