Do you suffer from excessive daytime sleepiness (EDS)? If you’re one of this column’s target readers, it’s a pretty good bet you do. In honor of the National Sleep Foundation’s National Sleep Awareness Week, you can test yourself for this dread condition at www.sleepfoundation.org. Or you could ask yourself just one question: “Pulled an all-nighter lately?”

Research reveals a strong correlation between EDS and excessive nighttime awakeness.