If you usually snore, wake up tired or experience drowsiness throughout the day, those might be signs of sleep disturbance associated with severe diseases. During the month of November, Hospital da Luz Póvoa de Varzim and Hospital da Luz Clínica de Cerveira will offer free sleep disorder screenings , in order to evaluate alterations and disturbances, such as insomnia or snoring, and promote information dissemination on this critical area of health. Poor sleep has negative consequences in terms of performance, concentration, and quality of life, and may be associated with severe diseases. Among the major pathologies related with sleep disorders are: Circadian rhythm disorders. Insomnia. Obstructive sleep apnea syndrome (OSA), the most common respiratory disease that may be related with cardiovascular diseases. Somnambulism. Excessive daytime sleepiness. Other less specific signs – namely fatigue, difficulty concentrating, memory alterations or mood disorders – may also be connected with sleep apnea. If you do not feel rested after sleeping, do not ignore the signs. Identifying them and seeking specialized help is essential for a correct diagnosis and effective treatment. Do not miss this opportunity and take the screening with the clinical professionals of your Hospital da Luz. Where and when to take the screening: Hospital da Luz Póvoa de Varzim Date and time: from 3 to 28 November, on weekdays, from 10:00 a.m. to 12:00 p.m. and from 2:00 p.m. to 4:00 p.m. Place: Sleep Medicine Centre / Pneumology Service (floor 2) 10h-12h / 14h-16h Hospital da Luz Clínica de Cerveira Date and time: from 3 to 29 November, Monday to Saturday, between 11 a.m. and 1 p.m. Place: Pneumology Service Previous scheduling not required: service provided by order of arrival.