Managing ileostomy gas build-up and night-time bag inflation can be a bit challenging, especially if you're still figuring out which foods and habits work best for you. If you're experiencing significant gas accumulation in your pouch, particularly while sleeping, here are some tips and insights that might help:

1. Built-in pouch filters might not be effective for handling large volumes of gas, so you may need to explore other options.

2. Certain foods and drinks can trigger gas. Common culprits include tomatoes, various leafy greens, and carbonated beverages.

3. Consider dietary tactics:
- Try adopting a low-carbohydrate, low-sugar eating pattern with smaller portions.
- Experiment gradually with foods you want to include in your diet, as individual tolerance can vary.

4. Herbal and over-the-counter aids can be helpful:
- Drinking peppermint tea after your evening meal may help settle gas.
- "De-Gas" capsules, available internationally, are reported to provide rapid relief from gas.

5. Your sleeping position can make a difference. Try sleeping on the side opposite your stoma to reduce pressure on the pouch and help the filter vent.

6. If you wake up with a swollen pouch, you can manually vent it:
- Stand or sit up, hold the bag vertically, and carefully open the tail clip or Velcro closure to "burp" the gas. Make sure to stay fully alert to avoid any spillage.

These tips might help you manage gas build-up and night-time bag inflation more effectively. Remember, everyone's experience is unique, so it may take some trial and error to find what works best for you.