That's interesting! Can you provide some links to evidence regarding Vit K2-MK4, its effects on calcium in the bloodstream, and how that inhibits the effects of catecholamines and leads to sleep induction?
Remember Thomas Pynchon and be mindful of the fact that search engines wont always give you the studies you are looking for, so you have to go back and perform the same search's weeks and months later.
Omega 3 also help the serotonin and melatonin in the brain and spinal fluid which also helps with getting to sleep.
When the UK govt were giving cod liver oil and malt to kids in the 50's or 60's, under the pretence of preventing Ricketts, they knew what they were doing to control future GDP and aggression levels.
Considering the Japs are experts in Vit K studies, and prescribe K2-MK4 to post menopausal women who are naturally consuming an iodine and omega 3 rich diet seafood diet and also happen to have some of the longest living females in the world, and some of the highest IQ's in the world, I think looking to them will give you more info than a typical western diet.
Just 150micrograms of T3 (Triiodothyronine - one iodine atom removed by selenium, with 80% of this T4-T3 conversion taking place outside of the thyroid gland) will half the time spent in Intensive care in hospitals. Tyrosine is the main ingredient of T3 (hormone) & T4 )pro-hormone) so your metadata for getting more tyrosine in your diet is when you start to get grey hairs.
Many govts, like the UK Govt are deliberately harming the population with their treatments provided by the health care system and what is taught at med school, which clogs up beds and pushes up house prices with the elderly who dont want to go into nursing homes. A crude example of Maslow's Hierarchy of Needs, an agenda many govt's are now following around the world.
And choline can also reduce stress levels by reducing the CO2 build up in the body and lungs. Choline is used in the alveoli of the lungs to facilitate the gas exchange, its also used in the cell walls and the connection between neurons. The more choline you consume, the better your physical performance and mental ability. Personally I found L-Alpha glycerylphosphorylcholine to be best, but yet to try citicoline which is used in hospitals for brain injuries and costs about £3k a kilo.
Like I said, what you are trying to achieve?