4 pre-Iowa campaign blunders

Is lack of sleep to blame for the major campaign blunders prior to the Iowa caucas.
Fatigue factor gives equal time to candidates

“I know this is an unusual theory, but I do believe sleep deprivation has a lot to do with some of the edginess of Washington today.” Bill Clinton

The PR Teams of the following candidates have blamed lack of sleep on the following comments.
No. 4 - “We had 300 people outside, literally freezing to death.” - Hillary Clinton (Literally?)
No. 3 - “I won’t remember Iowans.” - Mitt Romney (His wife nudged him . . . “forget Iowans.”
No. 2 - Barack Obama told a crowd in Kansas that 10,000 people died in a tornado. (12 did).
No. 1 - Mike Huckabee apologized for the killing of Pakistan’s Prime Minister. (He should have offered his sympathies unless he is a murderer).