[ConservativeMind]

22.2% of morning people had severe coronary artery calcification, while 40.6% of night owls had that.

I am a night owl, but this becomes another incentive to endeavor to change that.

[ConservativeMind]

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[marktwain]

It may be mere correlation, and not causative.

[HartleyMBaldwin]

Each chronotype can be said to have an average time when half of the night's sleep has passed. In a previous study on the same population, though not necessarily the same individuals, this time occurred at 02:55 AM for the extreme morning type group and at 04:25 AM for the extreme evening type group. The remaining chronotype groups' mid-sleep times were between.

This seems strange to me. 90 minutes difference in sleep midpoint times doesn't seem like a lot to separate the two extreme groups.

When I was young (20s), I'd say that I was an extreme night owl, preferring to stay up until 3 or 4 am and then to sleep until the very late morning. By my mid-fifties, I had shifted to an extreme morning person schedule, seldom sleeping later than 4:00 am. Even now, 3 1/2 years after retiring at 65, I'm usually wide awake by 5 every morning.

[ckilmer]

I’m wondering if this is not a correlative and not a causitive function.

Why?

Because morning people tend to get more sunlight than night owls

Too few people know to get enough vitamin d3 K2 when they’re not in the sun.

[ckilmer]

there are other risk factors for night owls that fewer morning people will experience.

For example—which group do you think would be more sendentary—and therefor more prone to carry weight and suffer other maladies that go with a sedentary life? the morning people or the night owls.

[nesnah]

Who.In.The.Phuck paid for this study?

[aMorePerfectUnion]

There are things you can do to reduce plaque

[KittyKares]

It doesn’t sound like they took diet into consideration, unless it can be deduced based on blood lipids and weight, which they did take into consideration.

[Leaning Right]

> Artery calcification is almost twice as common in night owls… <

Good post yours, as usual. Over the last year I’ve tried to change my sleeping habits, and with some success. It took a mild prescription from my doctor. On the other hand, my pet owl is stubborn, and refuses to change.

[dragnet2]

Sleep is overrated, waste of time. I try to do as little of it as possible.

[Rumplemeyer]

SAVE & READ

[smokingfrog]

I’m doomed.
You should have told me about 50 years ago.

[RummyChick]

has anyone has some success with niacin for this? I get the expected flush but it also shows up in my knees as they turn brighter red than the rest of my body.

Aspirin does get rid of the itching but not sure I should get rid of it.

If you have tinnitus you should try niacin to see if opening up the vessels changes the ringing.

[pax_et_bonum]

What if a person is a night owl / early bird combo?

:-)

Merry Christmas!

[wjcsux]

I don’t know. My dad was a nightowl and never had any heart issues. Dad professionally restored high end cars, he would wake up thinking about a difficult job and get out of bed and go do it. He did that for years and lived to be almost 90.

[Beowulf9]

Mice are bad for you, m’kay.