{"version":"1.0","type":"card","id":"742f143e-cae5-4518-a8e2-654a27a32fe7","url":"https://stacklist.com/card/742f143e-cae5-4518-a8e2-654a27a32fe7","title":"Caffeine and Studying: What the Science Actually Says","source_url":"https://athenify.io/blog/caffeine-and-studying","note":"Learn how caffeine actually affects your brain, the optimal dose for studying, when to stop drinking coffee, and why timing matters more than quantity.","image":{"url":"https://ucarecdn.com/17febfdb-52ef-416b-bef4-5e2b7f82aacf/","alt":"Caffeine and Studying: What the Science Actually Says","width":1200,"height":630},"stack":{"id":"1eb79cd0-4a96-493e-8040-78c264f36e69","title":"Caffeine Timing for Study, Gym and Shift Work","url":"https://stacklist.com/c/wellness/stack/1eb79cd0-4a96-493e-8040-78c264f36e69"},"created_at":"2026-08-30T18:38:33.971Z","updated_at":null,"aco":{"summary":"Caffeine and Studying examines research-backed evidence on how caffeine affects cognitive performance, showing it improves alertness and working memory at optimal doses of 100-200mg but cannot replace sleep and proper nutrition. Strategic timing and dosage are critical, as caffeine's 5-6 hour half-life can sabotage sleep if consumed too late in the day.","tags":["caffeine","cognitive-enhancement","studying","sleep","research","working-memory"],"key_entities":[{"name":"adenosine","type":"concept","confidence":0.95},{"name":"sleep-pressure","type":"concept","confidence":0.9},{"name":"working-memory","type":"concept","confidence":0.95},{"name":"caffeine-half-life","type":"concept","confidence":0.92},{"name":"cognitive-performance","type":"concept","confidence":0.93}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-08-30T18:38:47.364Z"},"token_counts":{"approximate":3858,"cl100k":3066},"content_hash":"sha256:9a41a0f0972ad310f3546acc955105624433ec63eab3dd269531a79e525b928c","acp_version":"0.2","body_available":true,"body_tokens":3858,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/742f143e-cae5-4518-a8e2-654a27a32fe7.json","html":"https://stacklist.com/card/742f143e-cae5-4518-a8e2-654a27a32fe7","md":"/api/public/card/742f143e-cae5-4518-a8e2-654a27a32fe7.md","stack_json":"/api/public/stack/1eb79cd0-4a96-493e-8040-78c264f36e69.json"}}