Prayer matters always. I know because I have seen and experienced God’s power over and over and over! He hears us and He listens. He acts according to His Will - but His will can bend when we pray and our heart is aligned to His. Think of Abraham when He was trying to save Sodom from God’s wrath.
If you don’t take time to pray, you’re robbing yourself and those you love! It matters - don’t just pray when calamity is imminent or healing when someone is ill, pray for protection every day. Pray for guidance and opportunities to serve. The Lord is ready to answer when we pray.