This is a definitive ranking of the hours of the day, from the most loathed to the surprisingly tolerable. We're talking about those specific moments that can make or break your mood, your productivity, or your very existence. Prepare to see your most dreaded wake-up calls like 9 AM and the dreaded 7 AM potentially languishing at the bottom. Meanwhile, the sweet relief of 3 AM, or perhaps the peaceful darkness of 1 AM, might find themselves in higher echelons. All 24 hours are put under the microscope.