posted by Anonymous .
When people go without sleep for more than 24 hours in a row, how does their experience of sleepiness vary over time?
I searched Google under the key words "sleep deprivation over time" to get these possible sources:
(Broken Link Removed)
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.