US Patent 8679034 Techniques for prediction and monitoring of clinical episodes

Apparatus and methods are provided for monitoring a subject, including setting respective first and second thresholds that are different from one another, sensing at least one parameter of the subject, and analyzing the parameter to generate a score. If the score is between the first and second thresholds, an alert that is indicative of a condition of the subject is generated only after the subject awakes. If the score passes the second threshold, an alert that is indicative of the subject's condition is generated immediately. Other applications are also described.