My body will one day simply stop working from a lack of sleep.
Others:
Cara: a heart failure from too much meat (although the flexing thing might work too)
Kevin: Jumped off an edifice that was just that little bit too high
NoLordy: slain by rebelling rape ninjas
Dead_Winter: death by tl;dr
Isabel: beheaded by excessive headbanging
Karen: stabbed twenty-three times during hawt lesbian secks by a heartbroken forumite
Jen: stabbed twenty-three times during hawt lesbian secks by a heartbroken forumite
Russell: mistaken for a horror movie villain and shot by police
EricT: spontaneously combusted in a flaming malfunction
Rox: suicide by wrist-slitting after being called a "Frenchie"
Neal: choked on own beard while sleeping
Will: dehydrated from excessive crying
LRD: partyvanned after another case of child molesting, beaten to death in prison
Chromie: dragged to the depths of the ocean by a giant squid he thought was, "saying hello".
Emily: suffocated by enveloping hymen
Warrel: choked by pancake nipples
Jim: choked on what Warrel made him swallow