I love it...turns out red wine is also good for your internal body clock:

Scientists in Italy say they have discovered that the grapes used to make some of the most popular red wines contain high levels of the sleep hormone melatonin.

Melatonin is naturally secreted by the pineal gland in the brain, especially at night. It tells the body when it is time to sleep.

The discovery of melatonin in grape skin could explain why so many of us hit the bottle in the evening to wind down after a day's hard slog. 'The melatonin content in wine could help regulate the circadian rhythm [sleep-wake patterns], just like the melatonin produced by the pineal gland in mammals,' says researcher Iriti Marcello at the University of Milan...read the rest.

Found via Box Wines, which is a great read.