Home health health posters The record for the longest period without sleep healthhealth posterssleep The record for the longest period without sleep Share Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Email Print Tumblr Telegram Mix The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.