set: Great to see your first sleep log!
The sunlight and heat idea is an excellent one, and hopefully will be quite a bit of help to you. My intention in taking short walks all the time is basically working toward the same effect, using outdoor light and sensations to keep my body awake.
In terms of waking up, the "no negotiation" tactic is definitely a must! The other thing that helps is having your alarm(s) far out of reach of your bed.
Looking forward to seeing your next log. Keep it going!