Users have shared positive experiences about lookeetech.com, particularly praising the LOOKEE Sleep Monitor. One user described it as a lifesaving gadget, highlighting its ability to track oxygen levels and heart rate during sleep. The monitor's vibration alert feature was especially appreciated for waking the user up when oxygen levels dropped dangerously low. Another user emphasized the detailed insights provided by the device, which helped in understanding sleep patterns and monitoring the effectiveness of sleep treatments. Overall, the LOOKEE Sleep Monitor is seen as a valuable tool for those with sleep apnea or other sleep-related health issues.