Set your clocks: Here's how falling back an hour affects your health

From heart attacks to depression, here's how "falling back" impacts your health.

Remember to set your clocks back an hour, daylight saving time ends Sunday morning at 2 a.m.

So it'll be lighter in the morning, but get darker sooner in the evening.

As it turns out, that time change and extra hour of sleep can have an impact on your health.

Fewer heart attacks

According to Medical Daily, turning back the clocks reduces the risk of heart attack. A 2014 study found heart attack risk dropped 21 percent right after clocks went back to standard time.

Apparently there's a pretty strong link between lack of sleep and heart attacks. Likewise, the study found heart attacks increased by 25 percent when clocks spring ahead.

Medical Daily says the risk of stroke increases by about 8 percent when daylight saving time starts and ends. That's because the time adjustment is hard on our bodies.

More depression

On a less positive note, falling back seems to increase depression, CNN says.

A study found that immediately after setting clocks back, there tends to be an increase in people reporting depression. That has to do with an added hour of darkness, the study says.

As the hours of daylight get shorter in the winter, more people also experience Seasonal Affective Disorder (SAD).

A psychiatrist tells CNN taking a morning walk after sunrise or getting a light therapy box can help.


Changing the clock and messing up your circadian rhythms can also lead to more headaches.

A study by the University of Maryland found people are more likely to get severe headaches – particularly cluster headaches –around this time.

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