While many of us use Saturday to catch up on errands from the week gone by, it's universally agreed that Sunday is the day of rest.
As such, it should revolve around a long and leisurely lie-in, followed by a long and leisurely brunch.
And it turns out we have the right idea, as a new survey has shown how being sleep-deprived can have a seriously negative effect on your health.
According to New Scientist, the brain cells that destroy and digest worn-out cells and debris go into overdrive when you are chronically sleep-deprived.
Research involving mice at the Marche Polytechnic University in Italy showed that a lack of sleep over a long period could be a contributing factor to conditions such as Alzheimer’s disease and other neurological disorders.
So don't feel too guilty if you're still in the leaba this morning...