Today's Quote: 21.5 Years of Sleep
How may of you here have celebrated their 60th anniversary?... Because out of those 60 years, there will be 21.5 years of sleep. So it's not correct to say "the 60th anniversary", but rather "the 38.5th anniversary..."
Russell Foster, Professor of Circadian Neuroscience, head of Department of Ophthalmology and Director of the Sleep and Circadian Neuroscience Institute at the University of Oxford.