I have a similar experience. I thought it was blood sugar related as well and started dinner later. Through a food diary and experimentation. I found that I got

I have a similar experience. I thought it was blood sugar related as well and started dinner later. Through a food diary and experimentation. I found that I got best sleep results when I had a high fiber meal in the evening. Having a bowl of steel cut oatmeal in the evening has helped significantly. I have had good success with fibrous vegetable salads as well.