In every sport with every athlete there are peaks and valleys in performance. In archery there are times when it seems easy to find the X. There are times with arrows seem to circle the X just missing. It can be frustrating.
Maintaining a log of data you can review your peaks and valleys. Over time, with consistent practice, those gaps between highs and lows diminish. The gap remains, only the intervals between them narrow.
When you begin entering a slump pause to evaluate what has changed? Is it fatigue or over training? Is your form slipping? Is your mind elsewhere? Did anything drift with your equipment?
The answer to a dip in performance may make itself obvious. Sometimes having your coach watch you practice and that extra set of eyes may notice something amiss in your process you’ve overlooked.
If you don’t have a coach at hand try something different. An easy approach to helping discover what is wrong is simply changing your release. If you have two different releases they’ll activate slightly different. The change may help you keep or regain your edge.
If you’re over training take a break. You should have recovery days planned within your training plan.
If all else fails check your gear. Things can shift with a bow. Cumulative incremental shifts can add up.
Expect that all days aren’t the same. But, you can work through anything.