RiddleA man woke up in the middle of the night went downstairsgot a glass of waterturned off the light went back upstairsfell asleep woke up in the morninglooked out the window and killed himself?

Answer 1

The man was a lighthouse attendant. He turned off the light. In the morning he saw the accidents that were caused by his mistake, and possibly the bodies, and killed himself by jumping out of the window.