You can find several other posts concerning the "dawn effect" by doing a tag search on "Dawn Phenomenon", see the tag below or use this
link if you need more information. It is commonly referred to as the
"Dawn Phenomenon" and it can be very discouraging. Try to get your fasting levels down to between 70 & 99. You also may want to go back and see what you had for dinner last night. A thirty (30) minute walk after dinner and before bed time may help.
Some people find that eating a handful of almonds before bed helps with "Dawn Phenomenon". Good luck with your control and management.