Turkey, roast potatoes, pigs in blankets, Brussels sprouts, parsnips, Yorkshire puddings, mince pies, Christmas pudding, brandy butter, chocolates, a glass of Bucks Fizz.
These are probably just a few of the things you might consume today, leaving you feeling absolutely stuffed.
But have you ever wondered what all these festive foods do to your insides?
Well, in case you were curious, healthy eating experts over at musclefood revealed to North Wales Live exactly what happens to our bodies on December 25.
They broke it all down into an hour by hour run through of what goes on inside after eating a full Christmas dinner .
Here's a look at what they had to say:
Five minutes after Christmas dinner
Just five minutes after enjoying a glass of your favourite tipple with your meal the alcohol will be in your bloodstream.
The alcohol is absorbed into the bloodstream through the small intestines and stomach, dilating blood vessels and making you feel all warm and cosy.
20 minutes later
It can take up to 20 minutes for your body to feel full, but the likelihood is you probably filled up way before this point.
The stomach has a capacity of around a litre, so after eating and drinking a full Christmas Dinner it has to expand, squeezing other organs and causing excess gas.
After 30 minutes
At this point, the pancreas will start to produce insulin, the hormone which helps convert glucose to storable glycogen.
If you've overeaten, your blood sugar levels will increase rapidly making your pancreas work overtime.
Once it’s done its job you will suffer a drop in blood sugar levels, making you feel tired.
After an hour
Blood has flown straight to your digestive tract in order to break down the food. For this to happen your body naturally increases its metabolic and heart rate, meaning your internal temperature also increases, resulting in those dreaded meat sweats.
The drinks you enjoyed earlier are now working to slow down digestion, and with rich foods being difficult to break down you’re left feeling stuffed and sluggish.
Two hours later
Proteins and fats sit in your stomach for two to three hours leaving you feeling bloated and uncomfortable.
This is also when wind hits, as your stomach squeezes to get rid of all the air you swallowed when eating, enzymes are also trying to break down the food.
Raffinose, a complex sugar found in vegetables such as Brussel Sprouts, is something the body can't process, meaning there’s only one way out.
Six hours after dinner
All the food and drink is now in the large intestine – a process that can take six to eight hours. This means that you may start to consider picking on the leftovers.
24 hours later
A trip to the toilet will get rid of any undigested food left in the body and the hangover should begin to ease.
