@Neil60 I was pre-diabetic (43 mmol/mol) and found myself becoming very sleepy and dozing off after every meal.
I found it beneficial to go for a 20 minute walk after every main meal, it stopped me feeling so sleepy and I don't fall asleep so much in the daytime.
I wouldn't describe it as...
Diagnosed pre-diabetic at end of Feb, HbA1C = 6.1% (43).
Swithched to LCHF diet + exercise (mostly daily walking).
3 months later, HbA1C = 5.7% (39).
I think I've got a way to go yet as I'm aiming to get below 5.2% to make sure.
I wish I had heard about LCHF diet before.