10
3
6
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Evidence suggests Vitamin D mayincreaseSleep.
15 studies (19 claims)
Emerging evidence
Typical effective dose 1600 (1600–1600) IUacross 1 dosed study
Study Claims
| Intervention | Direction | Endpoint | Type | Population | Dosage | Title |
|---|---|---|---|---|---|---|
| elemental calcium carbonate 1000 mg with vitamin D 400 IU daily | No effect - no difference | sleep disturbance | Human | postmenopausal women with an average age of 64 at the WHI baseline visit | 1000 mg elemental calcium carbonate and 400 IU vitamin D daily. | Calcium and vitamin D supplementation do not influence menopause-related symptoms: Results of the Women's Health Initiative Trial.cited 9× |
| vitamin D supplementation (VDS) | Decreases - statistically significant decrease | Pittsburgh Sleep Quality Index | Human | — | Not specified | Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies.cited 29× |
| vitamin D supplementation (VDS) | Increases - significant improvement | sleep quality | Human | — | Not specified | Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies.cited 29× |
| vitamin D supplementation (VDS) | No effect - not unanimous | sleep-related difficulty | Human | — | Not specified | Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies.cited 29× |
| vitamin D supplementation (VDS) | No effect - not unanimous | sleep-related disorders | Human | — | Not specified | Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies.cited 29× |
| vitamin D supplementation (VDS) | No effect - not unanimous | sleep-related impairment | Human | — | Not specified | Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies.cited 29× |
| vitamin D supplementation | No effect - effect | sleep disturbance | Human | — | Not specified | Treatment of Vitamin D Deficiency and Comorbidities: A Review.cited 8× |
| vitamin D supplements | Increases - improvements | sleep quality | Human | — | Not specified. | Exploring the link between vitamin D deficiency and obstructive sleep apnea: A comprehensive review.cited 3× |
| vitamin D | No effect - revealed mixed results for | sleep | Human | healthy people | Not specified | Effects of vitamin D on mood and sleep in the healthy population: Interpretations from the serotonergic pathway.cited 36× |
| increasing vitamin D status | Increases - may be helpful for improving | sleep | Human | the healthy population | Not specified | Effects of vitamin D on mood and sleep in the healthy population: Interpretations from the serotonergic pathway.cited 36× |
| vitamin D | No effect - possible mechanism contributing to the sleep-pain relationship | sleep-pain relationship | Human | adult and pediatric populations | Not specified | Sleep and pain: recent insights, mechanisms, and future directions in the investigation of this relationship.cited 133× |
| vitamin D | Increases - significantly beneficial to improve | sleep quality | Human | — | Not specified | Efficacy of dietary supplements on improving sleep quality: a systematic review and meta-analysis.cited 30× |
| daily intake of a fortified yogurt with 106 colony-forming units/g of probiotics (Bifidobacterium animalis Bb-12 and Lactobacillus acidophilus La-5) along with 50 IU of vitamin E and 1,000 IU of vitamin D | No effect - no statistically beneficial impact was observed | sleep quality | Human | patients with PCOS | 106 colony-forming units/g of probiotics (Bifidobacterium animalis Bb-12 and Lactobacillus acidophilus La-5), 50 IU of vitamin E, and 1,000 IU of vitamin D daily | Effects of a Novel Fortified Dairy Product on the Psychological Status and Sleep Quality of Patients with Polycystic Ovary Syndrome: A Double-Blind Randomized Controlled Trial. |
| supplementation of Vitamin D | Increases - can optimize | sleep quality | Human | — | Not specified | Vitamin D deficiency: A forgotten aspect in sleep disorders? A critical update.cited 6× |
| aerobic exercise and vitamin D supplementation | Decreases - significantly lower | mean score of sleep quality | Human | men with migraine and vitamin D insufficiency | Not specified in the abstract. | Effects of eight weeks of aerobic exercise and vitamin D supplementation on psychiatric comorbidities in men with migraine and vitamin D insufficiency: A randomized controlled clinical trial.cited 5× |
| Vitamin D and omega-3 co-supplementation | Increases - improved | sleep quality | Human | women of reproductive age with pre-diabetes and hypovitaminosis D | 50,000-IU pearls every 2 weeks for vitamin D. | Effect of omega-3 and vitamin D co-supplementation on psychological distress in reproductive-aged women with pre-diabetes and hypovitaminosis D: A randomized controlled trial.cited 10× |
| omega-3 and vitamin D co-supplementation | Increases - significant difference was observed in terms of improvement | sleep quality | Human | women of reproductive age with pre-diabetes and hypovitaminosis D | 50,000-IU pearls every 2 weeks for vitamin D. | Effect of omega-3 and vitamin D co-supplementation on psychological distress in reproductive-aged women with pre-diabetes and hypovitaminosis D: A randomized controlled trial.cited 10× |
| combined intervention of vitamin D and calcium | Increases - exhibits substantial potential for improving | sleep quality | Human | individuals with prediabetes | 1600 IU/day of vitamin D and/or 500 mg/day of calcium | Effects of vitamin D and/or calcium intervention on sleep quality in individuals with prediabetes: a post hoc analysis of a randomized controlled trial. |
| vitamin D and/or calcium supplementation | No effect - evaluate the effects | sleep quality | Human | individuals with prediabetes | 1600 IU/day of vitamin D and/or 500 mg/day of calcium | Effects of vitamin D and/or calcium intervention on sleep quality in individuals with prediabetes: a post hoc analysis of a randomized controlled trial. |
| vitamin D replacement therapy | Increases - showed the most improvement | sleep problems | Human | 28 patients who developed ME/CFS after COVID-19 vaccination | Not specified | Efficacy of vitamin D replacement therapy on 28 cases of myalgic encephalomyelitis/chronic fatigue syndrome after COVID-19 vaccination. |