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After a *very* long winter, it’s probably safe to say that we’re all thrilled to say hello to spring. However, while we’re totally grateful to be swapping sweaters for swimsuits in the coming months, the end of winter means the beginning of Daylight Savings Time. Even though it happens every year, we still find ourselves begrudgingly asking: What time does Daylight Savings start? (And why does it have to be a thing in the first place?)

What time does Daylight Savings start?

Mark your calendars for Sunday, March 11th, and be sure to roll your clocks forward an extra hour. Which means, yes, you’re going to be a little more tired than usual this week. Officially, DST starts in the United States at 2 a.m. local time, meaning that’s when you’ll switch your clocks to 3 a.m. They’ll stay that way until DST ends in November.

Fortunately for us, most smartphones will make the change for you. Unfortunately for us, your smartphone can’t give you back the extra hour of sleep that gets stolen. And, yes, we’re shaking our fists at the sky right about now.

The easiest trick to remembering Daylight Savings Time is that it starts on the second Sunday of March (spring forward) and ends the first Sunday of November (fall back). Although, we can honestly understand why you’d want to forget.

As it turns out, Daylight Savings Time actually impacts our lives in ways we might not realize.

If you think everything seems a little more “blah” after DST starts, you’re not imagining things.

“There will be a higher likelihood of craving high-carb, high-fat foods. Workouts will be perceived as being more strenuous. [And people] may even make more riskier decisions,” says Dr. Michael Breus, an advisory board member for SleepScore Labs. Appropriately, he’s also known as The Sleep Doctor.

This means that a slight change in your sleep pattern can *totally* cause some negative effects All of which are made even worse by our already sleep-deprived society.

Whatever you do, don’t forget to change your clocks at 2 a.m. local time tomorrow, March 11th. We know it hurts, but it’s gotta happen.

The good news? We’ve got some kickass ways to sleep better tonight so you’re ready to take on the world tomorrow. There’s always National Napping Day 2018, too. Because, really, we all need our beauty sleep.