You need eight hours of sleep every night. Using the fourteen-point sleep-reduction program in this revolutionary book, you can discover how much sleep you really need and learn how to cut down--while actually waking up better rested and more energetic. Surprise! Write. Cook. Enjoy Nightlife. Read. Think. Plan. Look at the Stars. You can add thousands of healthier and more productive hours to your life--simply by getting out of bed!
Not sure about the wisdom of this book, which has not been updated since 1979. Can't seem to find any current research that confirms the findings, however appealing it might be to thrive off 6 hours of sleep.