Sleep? Ain't nobody got time for that!
For hackers in general, finding ways to stay awake and alert is an issue of high interest, as for example the enthusiasm for mate-based lemonade and other implementations of caffeinated food and drink demonstrates. In this talk, I will review the physiological stages of sleep and discuss ways in which the sleep-wake cycle is manipulated, voluntarily or accidentally, and beneficial as well as undesirable consequences.