Hi Jillita. I put the above link for you. It can lead you to the "Better Sleep Challenge", as well as several articles that might be helpful.
If you consistently feel tired mid-afternoon, take a look at what you are eating at lunch. Try to have a mix of protein, carbs, and fat - this will even out the blood sugar so that you don't have an insulin spike and crash (making you feel tired).
Hope this helps,
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