Each day, participants completed 30-minute computerized neurobehavioral assessments every two hours during scheduled periods of wakefulness. Assessments included a 10-minute Psychomotor Vigilance Test and the Karolinska Sleepiness Scale. A modified Maintenance of Wakefulness Check was carried out at baseline also, on the fifth day time of sleep restriction and on the recovery day. Related StoriesMelatonin and the circadian rhythm: an interview with Professor Kennaway, University of AdelaideBrain wellness: how can you decrease cognitive decline? An interview with Heather Snyder, Ph.D.Good sleep patterns are best for your heartMean total sleep time dropped from 8.47 hours at baseline to 3.72 hours on the first nights sleep restriction.‘The doubling time of this epidemic is about fourteen days, therefore if we are overwhelmed with this resources right now, it will likely be twice as bad in two weeks’ time.’ Scientific calculations predict number of Ebola cases begins doubling every fourteen days at current rates Early on in the outbreak, the number of confirmed cases of Ebola was small relatively, and it appeared that the rate of pass on was small also. In April Charts mapping deaths from the condition showed that it was actually needs to fizzle out, and then quickly start picking right up in early May and June. Fast forward a couple of months and we are actually approaching a point of no return where containing the disease will be almost impossible. A recent research out of Arizona State University discovered that the price of reproduction – – that is, the average number of people contaminated by an individual disease source – – has increased in both Sierra Leone and Liberia from 1.4 to at least one 1.7 for every existing case.