Lotteries are designed so each draw is random and independent. That means a number that appeared yesterday does not become less likely today. People confuse pattern spotting with prediction.
Counting how often numbers appeared in the past can be interesting. It helps you understand variance and distribution. It does not create an edge because the mechanism does not remember.
Focus on bankroll control, avoid crowded number patterns, and do not increase risk after losses. The only consistent advantage is discipline.