Sleep apnea and snoring are disorders related to breathing during sleep. Apnea is characterized by repeated interruption of breathing due to airway obstruction, while snoring is caused by narrowing of the upper airway.

Insomnia is a sleep disorder characterized by difficulty falling asleep or staying asleep, or waking up early and not being able to go back to sleep. This can result in poor sleep quality, daytime sleepiness, lack of energy and difficulty functioning during the day.

It is characterized by excessive daytime sleepiness, despite an adequate amount of nighttime sleep. People with idiopathic hypersomnia may experience difficulty staying awake and have episodes of unrefreshing sleep. The cause of the disorder may or may not be known.

It is a neurological disorder characterized by an uncomfortable sensation in the legs, which causes an irresistible urge to move them. This can interfere with sleep, causing insomnia. The movement of the legs temporarily relieves symptoms, but may make it difficult to fall asleep or maintain sleep.

Parasomnias are sleep disorders that involve abnormal behaviors or abnormal experiences during sleep. These include sleepwalking, night terrors, nightmares, sleep talking, bruxism (teeth grinding), periodic movements of the legs…

The daily sleep-wake cycle allows us to organize our behavior in time and internally synchronize the regulation of many biological processes such as the body temperature rhythm, the Cortisol rhythm, the growth hormone excretion rhythm, etc.