From this week's Crikey squatter compilation in my inbox:
Nearly all individuals deprived of two- three hours of sleep per night over a week will show impaired brain function with a level of functioning equivalent to a blood alcohol concentration between 0.05-0.08%. Similarly, the majority of people when reduced to an average sleep duration of four hours per night or less will become irritable, subject to emotional outburst and will engage in stereotypical thinking and language.
From Professor Drew Dawson, sleep boffin.
WELL WHAT WOULD HE FCUKING KNOW?!?
Seeing as you ask, it was 3.5 hours last night, and the night before. A wonderful combination of my insomnia at one end and Mitt-Mitts love of dawn at the other...