Nasal polyposis (NP) is a chronic inflammatory disease of the nasal and sinus mucosa leading to protrusion of edematous polyps in the nasal cavity. Prevalence of NP among the chronic rhinosinusitis patients is 25-30 %. NP leads to significant limitations in physical, emotional and social aspects of life of the affected patients. Sleep disorder is frequently reported by those patients with impaired nasal breathing. Till now few studies have objectively assessed the impact of NP on sleep quality. the objectives are to figure out sleep disturbances in NP and to analyze the outcomes of sinus surgery on sleep recovering.

the objectives are to figure out sleep disturbances in NP and to analyze the outcomes of sinus surgery on sleep recovering.

Inclusion Criteria:

• Patients who underwent endoscopic sinus surgery for recalcitrant nasal polyposis (failure of a 4-month corticosteroid medical treatment) Social insured patient
• Patient willing to comply with all procedures of the study and its duration
• Patient giving consent

Exclusion Criteria:

• Patients with previous nasal surgery for nasal polyposis
• Patients with previous continuous positive airway pressure therapy for obstructive sleep apnea
• Non-coverage by the social security scheme
• Patient unable to receive informed information
• Refusal to sign the consent
• Person deprived of the liberty
• Person benefiting from a system of legal protection (guardianship…)