A sleepy mind makes for an ungrateful heart. Focus on the gifts God has given you and be thankful. Be grateful for the people He has brought alongside you. Even the ones that annoy you. Remember to be thankful every day and not take things for granted. God is so good and faithful even when we are not.  If we take a few moments to write down or tell God what we appreciate and who we are thankful for in our lives, our attitude will change because we are focusing our minds on what is worthy of praise.  God is glorified in us when we thank Him, so make it a daily habit.