If you have doubt about the importance of prayer or if you are still praying on an on-again/off-again basis, go through the fifteen reasons to pray below. I find that reading the Scripture passages that support them is very motivational too.
1. To seek the face of the Lord and know Him better (Ps. 27:8)
2. To get your eyes off your problems and onto the Lord (Ps. 121:1)
3. To speak to God (1 Peter 3:12)
4. To unburden your heart (Ps. 142:1-2)
5. To make your requests known to God (Matt. 21:22)
6. To hear God (Prov. 8:34)
7. To be free of suffering (James 5:13)
8. To resist temptation (Matt. 26:41)
9. To be rescued from distress (Ps. 107:19)
10. To receive God's reward (Matt. 6:6)
11. To withstand evil (Eph. 6:13)
12. To have joy (John 16:24)
13. To get close to God (Isa. 64:7)
14. To be healed emotionally (James 5:13)
15. To have peace (Phil. 4:6-7)
