What is the difference between a bearish hammer and a hanging man?

There is no real difference: a bearish hammer is another name for a hanging man. Bearish hammer is the same as a hanging man; Western traders and investors call the hanging man pattern a bearish hammer. Both describe the same single-candle bearish reversal that forms at the top of an uptrend, with a small body near the high, a long lower shadow at least twice the body length, and little to no upper wick. A hanging man warns that bullish momentum could be fading, and if the next candle closes below the hanging man's body, that confirms sellers are following through