Very tired, and not wanting to get out of bed but also anxious about not getting stuff done. Wonderful combination.
Answer: Abdominal cavity
Explanation: Stomach is found in the abdominal cavity area .Abdominal cavity is large hollow area where the most amount of digestive tract is found .The protection lining/membrane on walls of the abdominal cavity is known as peritoneum
This cavity also includes the major body parts like liver, kidneys, pancreas, intestine, digestive tract etc.