Do trout sleep? And if so, when? And how does that affect their feeding patterns? Does a rising or falling barometer affect feeding habits? How does refraction influence a fish’s approach to a surface fly, human shadow, or false cast? How mu......

Do trout sleep? And if so, when? And how does that affect their feeding patterns? Does a rising or falling barometer affect feeding habits? How does refraction influence a fish’s approach to a surface fly, human shadow, or false cast? How mu......