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Poor sleep 1.5 X more likely if less than 20 ng of Vitamin D – Feb 2019

Serum 25-hydroxyvitamin D3 levels and poor sleep quality in a Japanese population: the DOSANCO Health Study.

Sleep Med. 2019 Feb 22;57:135-140. doi: 10.1016/j.sleep.2019.01.046
Nakamura K1, Hui SP2, Ukawa S3, Okada E4, Nakagawa T5, Okabe H2, Chen Z2, Miura Y6, Chiba H7, Tamakoshi A8.

VitaminDWiki

20% of Japanese adults are unsatisfied with their sleep
32% of participants located at42 degrees North Latitude were unsatisfied with their sleep

Vitamin D ng/mL Poor SleepDepression
2-181.718%
18-230.713%
23-280.6512%
28-791.012%

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56 items in sleep category

Sleep Apnea 253 items as of Oct 2018
Search VitaminDWiki for (sleep OR insomnia) Magnesium 228 items as of June 2019

See also Sleep problems cured by vitamin D, etc. – workshops and patient workbooks – Gominak 2018

Sleep is aided by Vitamin D + Vitamin Bs

Sleep is also aided by Omega-3

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OBJECTIVE: The present cross-sectional study investigated the relationship between serum 25-hydroxyvitamin D3 (25[OH]D3) levels and the presence of poor sleep quality in a community-based Japanese adult population.

METHODS:
Poor sleep quality, defined as poor subjective sleep quality and/or use of sleep medications, was assessed using a self-administered questionnaire. The prevalence of poor sleep quality was compared among 512 Japanese participants aged 35-79 years, based on serum 25(OH)D3 levels, which were determined using tandem mass spectrometry. A logistic regression model was used to calculate the odds ratios (ORs) for the presence of poor sleep quality in each group with the highest quartile of 25(OH)D3 serving as the reference group.

RESULTS:
Poor sleep quality was reported by 33.2% of the total study population. The prevalence of poor sleep quality was higher in the first quartile group (25[OH]D3: 2.08-18.13 ng/mL) than in the second, third and fourth quartile groups (18.14-23.07 ng/mL, 23.08-28.32 ng/mL, and 28.33-78.83 ng/mL, respectively). The ORs for poor sleep quality were 1.86 (95% confidence interval, 1.08-3.20) for the first quartile group, 0.73 (0.41-1.29) for the second quartile group, and 0.73 (0.42-1.27) for the third quartile group after adjusting for age, sex, and sociodemographic, lifestyle, physical and environmental factors, while the ORs were 1.68 (0.96-2.95), 0.69 (0.39-1.24), and 0.65 (0.37-1.15) after further adjustment for overall health status and depression status.

CONCLUSIONS: The first quartile group of serum 25(OH)D3 was associated with the presence of poor sleep quality.

Created by admin. Last Modification: Saturday June 22, 2019 15:59:58 GMT-0000 by admin. (Version 11)

Attached files

ID Name Comment Uploaded Size Downloads
11773 Sleep quality 20 ng.jpg admin 15 Apr, 2019 12:26 50.75 Kb 61
11772 10.1016@j.sleep.2019.01.046.pdf PDF 2019 admin 15 Apr, 2019 12:03 525.01 Kb 26
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