Afterthoughts are reflections or musings that come after an event has taken place. The crossword solutions for the term 'afterthoughts' are ANDS (4 letters) and PSS (3 letters). ANDS stands for 'afternoon daydreams, ' which are thoughts that occur in the afternoon, usually when one is bored or not doing anything. PSS stands for 'post-sleep thoughts, ' which are thoughts that occur after waking up from a nap or sleep.