is a sleep disorder in which you have trouble falling and/or staying asleep
Sleep Related Breathing Disorder
Obstructive sleep apnea (OSA) is one of the most common and serious sleep-related breathing disorders
Central Disorders of Hypersomnolence
are characterized by severe daytime sleepiness, which is present despite normal quality and timing of nocturnal sleep.
Circadian Rhythm Sleep-Wake Disorders
Circadian rhythm sleep disorders involve either difficulty falling asleep, waking up during the sleep cycle or waking up too early and being unable to fall back to sleep.
Parasomnias – are types of disturbing disorders that can happen just before you fall asleep, while you’re sleeping, or as you’re waking up
Sleep Related Movement Disorders
Sleep Related Movement Disorders – Sleep-related movement disorders involve physical movements which may be irresistible or involuntary, occur during sleep or periods of rest, and frequently result in insomnia and daytime fatigue