A computerized system of tracking health conditions of users associated with a client for diagnosing sleep apnea through forming an encrypted web based questionnaire. The user inputs information such as company personal information, individual personal information, health information, and personal health information. This information is then electronically compiled and a health screening service report is outputted such as witnessed sleep apnea, self admitted sleep apnea, body mass index of each user, and summary of results of a sleep test.