“Getting sunlight in the morning ensures cortisol peaks when energy is needed and decreases its levels when it is time to ...

A 2022 national survey found that 13.5% of U.S. adults said they felt “very tired” or “exhausted” most days or every day over ...

The best vitamins to take for sleep are vitamins you are deficient in. If you aren't meeting your minimum intake of vitamin D, for example, you may suffer from poor sleep. Studies have linked low ...

Vitamin D deficiency was significantly associated with increased obstructive sleep apnea (OSA) severity among children, ...

Apart from that, Vitamin D helps in the general well-being of the body. If the body is in good shape, that will also give the happy feeling." Sunlight, sleep, and mood Another key benefit of ...

Low vitamin D levels are linked to depression and other mood disorders ... Your body uses tryptophan to produce 5-HTP, the compound that makes serotonin and melatonin, two mood and sleep-regulating ...

Prolonged lack of sunlight can trigger more pronounced mood disturbances, including symptoms of depression and anxiety, ...

Low vitamin D can make you tired — though as Schiff points out, so can an endless number of other things. But it can also make it harder to sleep, since vitamin D plays a role in regulating ...