More suggestions-
For sleep- try to set your schedule so you wake when your body is ready, and don't have to wake up with an alarm clock
Try optimizing your sleep environment, totally dark, no lights or looking at the clock if you wake up at night. Use a
sleeping mask if needed.
Make sure your environment is totally quiet, use
earplugs if needed.
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On motivation-
Besides the 5 minute thing, you can project ahead and know that you will feel really great after you do x activity. Quickly visualize the end result, a picture of you finishing the task and feeling great, and then your mind can easily fill in the middle part.
And that's right that after an intial period, your body will get used to the routine.
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ALSO, exercising in the first hour might not be practical for you-- maybe you can use that time for reviewing your schedule and goals, and then exercise in the second hour of the morning if that feels more natural for you.
