Why Do We Need Sleep? We tend to think of sleep as a time when the mind and body shut down However, sleep involves many important and necessary processes
Insomnia - Symptoms and causes - Mayo Clinic Sleep-related disorders Sleep apnea causes you to stop breathing at times during the night, disrupting your sleep Restless legs syndrome causes a strong uncomfortable urge to move your legs when trying to fall asleep This may keep you from falling asleep or getting back to sleep Caffeine, nicotine and alcohol