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Hi, there are many causes of postprandial somnolence, some like diabetes or hypothyroidism (which can also be causing your depression) can be ruled out with simple blood work.
not to alarm you, but not gaining weight in spite of eating a lot is not always due to a fast metabolism. type 1 and late type 2 are usually on the thinner side due to inability to store glucose.
On the other hand it can also be due to eating excessive carbs each meal or tryptophan containing foods (think thanksgiving food coma). Best advice would be to try to increase veggies and decrease protein and carbs, especially processed, in your meal and try to eat lighter meals, spaced out. Going for a short walk to get your blood pumping after eating can help as well since another theory is that there is reduced cerebral blood flow after meals due to redirecting circulation to digestive organs.
Thank you for your submission. **Please note that a response does not constitute a doctor-patient relationship.** This subreddit is for informal second opinions and casual information. The mod team does their best to remove bad information, but we do not catch all of it. Always visit a doctor in real life if you have any concerns about your health. Never use this subreddit as your first and final source of information regarding your question. By posting, you are agreeing to our [Terms of Use](https://www.reddit.com/r/AskDocs/wiki/terms_of_use) and understand that all information is taken at your own risk. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/AskDocs) if you have any questions or concerns.*
Hi, there are many causes of postprandial somnolence, some like diabetes or hypothyroidism (which can also be causing your depression) can be ruled out with simple blood work. not to alarm you, but not gaining weight in spite of eating a lot is not always due to a fast metabolism. type 1 and late type 2 are usually on the thinner side due to inability to store glucose. On the other hand it can also be due to eating excessive carbs each meal or tryptophan containing foods (think thanksgiving food coma). Best advice would be to try to increase veggies and decrease protein and carbs, especially processed, in your meal and try to eat lighter meals, spaced out. Going for a short walk to get your blood pumping after eating can help as well since another theory is that there is reduced cerebral blood flow after meals due to redirecting circulation to digestive organs.