Which of these is TRUE about the link between thinking and learning and sleep? After people work on a task, then sleep on it, they solve difficult problems more insightfully than do those who stay awake. Interrupting a person's sleep to have them relearn information will enhance memory. After learning something new, it is best for the person to put it out of their mind before going to sleep. Staying up late and cramming for exams is the best preparation for recalling the studied information.