Hello,
Firstly, I have been using Tresiba as my basal insulin for a year now and I swear by it! It is a wonderful basal insulin, it is completely flat, no peaks during the day (and if there are any, they are so mild that they are undetectable - no dizzy spells or pulpitations like I had when using Lantus), it has 25% less nocturnal hypoglycemias.
I have never used Levemir so I cannot have an opinion.
I too have post-exercise delayed onset hypoglycemia. It is always nocturnal.
I can go to bed as high as a 16 and, without bolusing, drop to a 7 or a 6 by 24:00 and keep dropping.
The hypo starts somewhere in between 24:00 and 03:30 to 04:00 (after this, the dawn phenomenon usually kicks in)
Post-exercise delayed hypoglycemia can happen anywhere from 6 to even 48 hours after I finish exercise. For example, once, 4 hours of trekking kept my blood sugar levels low for 2 days (and I didnt even need to bolus for low carbohydrate meals).
An idea which helps is a late-time snack (and by late-time, I mean really late, around 23:00 - 24:00).
Try to combine relatively quick acting and long acting carbohydrates, for example a spoonful of jam in yogurt (jam will raise your blood sugar quickly while the fat and the protein from yogurt will keep your blood sugar raised until 03:00).
Another example is a fruit and cheese (The fruit will elevate your blood sugar and the protein and fat in the cheese should keep it steady.) Milk is also a good choice. Yogurt with nuts is also a good choice.
At least, these work for me...
Regards
Josephine
P.S. Please, if you can, find alternative carbohydrate combinations than processed food and drinks.
I do understand the necessity of a fizzy drink, absolutely, but, on other occasions try to use nutritionally valuable snacks. Biscuits, Chocolates, Bread, other nibbles and fizzy drinks will only add calories (and weight) without nutritional value.