All of the other responses are great advice. Whether it’s coffee or hot green tea with mint and a bit of honey (one of my favorites), having something to look forward to after your first steps out of bed is a solid start to a dynamite day.
If you have access to the articles here on IDEAFit, you might find this one useful: http://www.ideafit.com/fitness-library/conquering-negative-mood-0
It was written by April Durrett back in 2007 but I feel the content is still relevant. If you can’t access the article let me know and I’d be happy to summarize some of the major takeaways.