3 ms·Once I go past 24hr I get really loopy and giggly.by bobsmooth 3y agoOnce I go past 24hr I get really loopy and giggly.jackcosgrove 3y agoNot sleeping for over 72 hours is the threshold for insanity.slenk 3y agoI was awake that long once. I can understand why that threshold existstomcam 3y agoI had a long tech writing session once and at about 48 hours I started to hallucinate. Mentioned it to my girlfriend, and she drove the 70+ miles to my job to keep me company.