Patient aged 18 and over.

Being monitored and treated for non-small cell lung cancer.

With or without ongoing cancer-specific treatment. With no neurocognitive impairment (MoCA test score ≥26/30).

With a clinically assessed life expectancy of more than 3 months (Royal Marsden Hospital 0-1) and general health (ECOG \<2).

Able to understand the study documents written in French

Able to complete the study questionnaires written in French.

Contactable by telephone throughout the study

Affiliated to a social security scheme or entitled beneficiary

Not opposed to taking part in the study

Identification and Characterisation of Sleep Disorders in a Population of Patients With Non-small Cell Lung Cancer