Poor eating habits?
Depends what it is and how long you're doing it for....:P
It is the same.
You probably eat too much in a single sitting, which takes a lot of energy for your body to digest. So your body is probably telling you to sleep to conserve energy while digesting. This is just my guess.
I had this problem, its something to do with the blood going to the tummy to digest the food I think
Could be early diabetes. I'd get myself checked out! Take care.
Your body commits a great deal of energy digesting and motabolizing your meal. You get what's left