A reading of 10 mmol/L first thing upon waking up in the mornings is too high. There are several reasons as to why this high readings occur in the morning, but for the time being you should concentrate on your general diet, exercise and lifestyle.
The secret, if there is one in controlling diabetes as a type 2, is to balance what you eat against your daily bodies needs and to combine this with a steady regular exercise pattern. Now that doesn't mean going to the Gym every day, but housework, gardening, walking the dog or any physical exercise is ideal and will help to burn off excess cals and tone the body muscles which in turn will help lower your average B/G levels.
Also it's important to eat regularly (Particularly at Breakfast) and spread what you choose to eat over the entire day, Three main meals with snacks in between being better that 2 heavy main meals. The LCHF diet is particularly beneficial to us type 2's and the occasional 'Fry' up at breakfast time is beneficial - bacon eggs etc:
As a diabetic, reducing foods that principally contain containing carbs is more than beneficial, but our bodies still need a certain amount of carbs to function, so don't cut them out totally.
If you have a meter then eat to what the meter shows both before a meal and 2 hours later, spreading your total food intake over the day.
Things sometime take time to adjust, so take each day as it comes one at a time. Some days will be great and others not so good.