1. A system for assessing sleep quality of a user, the system comprising: a sensor strip comprising at least one sensor, which detects data indicative of normal and abnormal patterns during sleep of a user, and a tab comprising traces electrically coupled to the at least one sensor, wherein the sensor strip is configured to be positioned on the user's forehead and removably coupled to at least one strap; a data acquisition unit comprising an enclosure having a connector therein, wherein the data acquisition unit is configured to be positioned on the user's head, wherein the tab of the sensor strip fits within the enclosure and is detachably coupled to the data acquisition unit within the enclosure such that the traces of the tab are electrically coupled to the data acquisition unit via the connector, and wherein the data acquisition unit collects the data indicative of normal and abnormal patterns during sleep from the at least one sensor in the sensor strip.