Partially — extra sleep can help reduce accumulated debt, but sleep researchers generally note it doesn't fully undo the effects of chronic sleep restriction the same way catching up on other things might. Consistency matters more than occasional catch-up sleep.
Most adults do well with 7–9 hours, but the right number varies by person, age, and health. If you consistently feel rested on less, or need more to function well, use your own number rather than a fixed default.
This version tracks one week at a time. Run it again for additional weeks if you want to track a longer trend.