Sleep disorders or sleep problems

Sleep is an important part of our lives. Although we spend about a third of our lives sleeping, we still don`t fully understand why sleep is so important and what functions it performs. Sleep disorders involve problems obtaining sufficient quality sleep, which causes fatigue and problems with daily functioning. There are several types of sleep disorders, including insomnia, sleep apnea, narcolepsy, restless leg syndrome and parasomnias such as sleepwalking or nightmares.