Why are my Duolingo Spanish hearts not refilling after four hours, and how do I fix this glitch?
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Fan-out diagram
The searches the AI actually ran for this prompt.
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 2 queries…
Searches and sources
ChatGPT2 real searches · gpt-6
Duolingo hearts not refilling timer four hours bug 2026 Google ↗
Duolingo official help hearts refill practice hearts unlimited hearts Google ↗
- Why Duolingo Switched From Hearts to a Battery · blog.duolingo.com
- How to Use Duolingo for Language Learning · blog.duolingo.com
- Duolingo system status page · status.duolingo.com
- Duolingo Support · support.duolingo.com