Anyone who’s ever gotten in a heated argument over the course of past events knows that memory is subjective and sometimes unreliable. You might confuse your flight number and departure time. Or you might be influenced by a leading question. Why? Because we reconstruct memories each time we revisit the event, which allows an opportunity for errors to sneak in depending on the context. One of these contexts is, apparently, sleep deprivation: students who had pulled all-nighters were more likely than their well-rested counterparts to remember misinformation presented 45 minutes after looking at a photograph. Read more from Scientific American.