The best ergonomic chair reduces back pain, enhances productivity, lowers business costs, and increases company profits.
This means that mood disorders affect sleep quality, and poor sleep affects the severity of mood disorders.
Sleep deprivation—alarming new studies on heart disease.
Over time, it can lead to premature wrinkling and dark circles under the eyes.
Insomnia and other sleep problems affect outcomes for patients with depression.
Older adults, beyond the age of 65, may only need 7 to 8 hours of sleep per night on average.