10 is: “ Finish workouts at least 2 to 3 hours before sleep. (Exercise generally will improve sleep. Good sleep will powerfully improve exercise)” How is this

10 is: “ Finish workouts at least 2 to 3 hours before sleep. (Exercise generally will improve sleep. Good sleep will powerfully improve exercise)” How is this “wrong” ? My source is “Why We Sleep” by Dr Matt Walker. I’m happy to read other sources.