Method and apparatus for assessing sleep quality

An apparatus for assessing sleep quality of a subject, comprising:

• a positive airway pressure (PAP) device configured to supply breathable gas under pressure to the subject for treatment of sleep disordered breathing;
• at least one sensor configured to measure sleep session data, said sleep session data comprising a plurality of physiological parameters of the patient indicative of the patient's sleep quality during the sleep session;
• a processor configured to assess the sleep quality of a patient in a sleep session by at least:
• obtaining sleep session data comprising at least two physiological parameters of the patient indicative of the patient's sleep quality during the sleep session, wherein the at least two physiological parameters includes at least sleep duration and sleep fragmentation;
• and
• calculating a composite sleep quality index from said sleep session data determined over a period comprising two or more sleep sessions and based on subjective patient feedback data;
• and
• a display configured to communicate the composite sleep quality index to at least the patient.

A method of assessing sleep quality of a patient in a sleep session, the method comprising:

• obtaining sleep session data comprising at least two physiological parameters of the patient indicative of the patient's sleep quality during the sleep session, wherein the at least two physiological parameters includes at least sleep duration and sleep fragmentation;
• obtaining subjective patient data;
• applying a calculation to said sleep session data via at least one processor to calculate a sleep quality index indicative of the quality of the patient's sleep, said calculation being dependent on said subjective patient data, wherein said subjective patient data includes patient feedback data relating to the previous sleep session;
• and
• communicating the sleep quality index to at least the patient or a healthcare provider.

A method of assessing sleep quality of a patient in a sleep session, the method comprising:

• obtaining sleep session data comprising at least two physiological parameters of the patient indicative of the patient's sleep quality during the sleep session;
• and
• calculating, via at least one processor, a composite sleep quality index from said sleep session data determined over a period comprising two or more sleep sessions by deriving a score index for each sleep session data physiological parameter dependent on subjective patient feedback data relating to previous sleep sessions and calculating said sleep quality index using said score indices,
• wherein the at least two physiological parameters includes at least sleep duration and sleep fragmentation, and
• wherein the calculating a composite sleep index includes at least multiplying a first value based on the sleep duration by a second value based on the sleep fragmentation.

A method of assessing sleep quality of a patient in a sleep session, the method comprising:

• obtaining sleep session data comprising at least two physiological parameters of the patient indicative of the patient's sleep quality during the sleep session;
• obtaining subjective patient data;
• applying a calculation to said sleep session data via at least one processor to calculate a sleep quality index indicative of the quality of the patient's sleep, said calculation being dependent on said subjective patient data,
• wherein said subjective patient data includes patient feedback data relating to the previous sleep session,
• wherein at least two physiological parameters includes at least sleep duration and sleep fragmentation, and
• wherein the calculating a composite sleep index includes at least multiplying a first value based on the sleep duration by a second value based on the sleep fragmentation.