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Changing the clocks does not create extra daylight but instead shifts the time of sunrise and sunsets. This time change can cause disruptions to our body clock, otherwise known as the circadian rhythm.

When your clock doesn't reflect solar time

Tired from Daylight Saving Time?

Setting your clock forward an hour for DST in spring usually means losing an hour of sleep. This can make you tired. A conducted by the American Academy of Sleep Medicine (AASM), an organization representing sleep scientists and clinicians, found that more than half of Americans typically feel tired after DST begins in the spring.

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Side Effects of Time Change

The tiredness from losing an hour can be disruptive enough in itself, but for some people, springing forward may have much more serious consequences.

• A found that the risk of having a heart attack increases in the first three weekdays after switching to DST in the spring.
• Tiredness induced by the clock change is thought to be the main cause for the increase in on the Monday following the start of DST.
• On Mondays after the start of DST there were more , and the injuries were of greater severity compared to other Mondays.
• The start of DST has also been for in vitro fertilization patients.

DST Can Trigger Depression

Losing an hour of afternoon daylight after setting the clocks back to standard time can trigger mental illness, including bipolar disorder, and seasonal affective disorder (SAD), also known as winter depression.

• A found an 11% increase in depression cases after the time change. The cases dissipated gradually after 10 weeks.
• An found that male suicide rates increased the days after the spring and fall DST shift.

Negative Impact of DST Fades

Even though disrupting the circadian rhythm can have some serious effects, most studies find that they pass during the days following a DST change.

that, following a DST switch, more people were saying they were 鈥渢ired鈥� than on a normal Monday. However, many Facebook users also reported that they were feeling 鈥渉appy鈥� and 鈥渨onderful鈥濃�攑erhaps an effect of the longer evenings.

The pros and cons of DST

More Sleep = Better Health

Just like losing one hour of sleep in spring can have a negative effect, gaining one hour of sleep can do the opposite:

• On the Monday after the DST transition in the fall, .
• At the same time, the number of car accidents in Canada .

Upcoming DST clock changes

Tips to Make the Transition Easier

Being tired can decrease productivity, concentration, and general well-being. There are some simple ways of making it easier to handle the clock change:

• Adjust your body clock and wake up a little earlier than usual in the week before springing forward. This makes it easier to get out of bed on Monday morning.
• Eat a healthy breakfast first thing in the morning. Food tells your body it is the start of the day.
• Go for a walk in the light. Sunlight and exercise adjusts the body clock.
• Help children adjust by putting them to bed a little bit earlier the week before the time change.

Topics: Daylight Saving Time