Sleep health explores how we sleep and the factors that impact it. Sleep disorders and conditions include nightmares, REM behavior disorders, sleep talking and walking, circadian rhythm sleep disorder, fatigue, narcolepsy, cataplexy, insomnia, bedwetting, snoring, sleep apnea, restless legs syndrome, teeth grinding and various sleep issues that occur as a result of disease.
Caffeine stimulates the nervous system. People often consume it to stay alert, but how long do effects last, and how does it impact sleep? This depends on many factors, including the amount of caffeine ingested at once and an individual's metabolism. Learn to estimate how long the effects of caffeine last here.