Many factors affect sleep, including diet. Research indicates that deficiencies in certain vitamins, such as vitamin B, C, and D, can harm sleep. Elevating the levels of these vitamins may help ...

Sleep and hormones affect each other through your circadian rhythm, also called the sleep-wake cycle. A lack of sleep can affect several hormones at once. Getting 7 to 9 hours of sleep helps regulate ...

Sleep specialists diagnose and treat sleep disorders, and many complete a sleep medicine fellowship after training in internal medicine, psychiatry, pediatrics, or neurology. Talk with your primary ...