{"version":"1.0","type":"card","id":"32454216-ef03-4c78-8f09-092aa3d9a638","url":"https://stacklist.com/card/32454216-ef03-4c78-8f09-092aa3d9a638","title":"FMCSA: Driver Fatigue Is About the Clock, Not the Miles","source_url":"https://www.fmcsa.dot.gov/safety/driver-safety/cmv-driving-tips-driver-fatigue","note":"Federal trucking safety guidance: alertness drops with time of day, especially after midnight, and caffeine only buys a short window. It is not a substitute for sleep.","image":{"url":"https://ucarecdn.com/109b52d7-9069-484a-aaa3-d9edf327dc1e/","alt":"FMCSA: Driver Fatigue Is About the Clock, Not the Miles","width":1120,"height":747},"stack":{"id":"f2eedf5e-26d1-4fb4-9246-f3b127aed0e5","title":"Built for the Graveyard Shift: LSC100 + Night Shift, Gaming & Gym Energy","url":"https://stacklist.com/c/wellness/stack/f2eedf5e-26d1-4fb4-9246-f3b127aed0e5"},"created_at":"2026-11-02T15:20:54.481Z","updated_at":null,"aco":{"summary":"Driver fatigue in commercial motor vehicles is primarily determined by time-of-day and circadian rhythms rather than miles driven, with the FMCSA reporting that 13 percent of CMV drivers were fatigued during crashes. The content provides practical tips including adequate sleep, healthy diet, strategic napping, and awareness of natural drowsy periods to improve driver alertness and safety.","tags":["driver-fatigue","cmv-safety","circadian-rhythm","drowsy-driving","sleep-management","road-safety","fatigue-prevention"],"key_entities":[{"name":"Federal Motor Carrier Safety Administration (FMCSA)","type":"organization","confidence":0.99},{"name":"Large Truck Crash Causation Study (LTCCS)","type":"organization","confidence":0.95},{"name":"circadian-rhythm","type":"concept","confidence":0.98},{"name":"sleep-inertia","type":"concept","confidence":0.97},{"name":"driver-fatigue","type":"concept","confidence":0.99},{"name":"commercial-motor-vehicle","type":"concept","confidence":0.98}],"classification":"tutorial","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-11-02T15:21:00.621Z"},"token_counts":{"approximate":1790,"cl100k":1602},"content_hash":"sha256:94bc91f74aa5e2fa7470435ee61b0b72b13f0779771d7d6b27648f7b352101a4","acp_version":"0.2","body_available":true,"body_tokens":1790,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/32454216-ef03-4c78-8f09-092aa3d9a638.json","html":"https://stacklist.com/card/32454216-ef03-4c78-8f09-092aa3d9a638","md":"/api/public/card/32454216-ef03-4c78-8f09-092aa3d9a638.md","stack_json":"/api/public/stack/f2eedf5e-26d1-4fb4-9246-f3b127aed0e5.json"}}