I have problems sleeping due to anxiety about work, finances, etc. Here are some other niches: Night-shift nurses or truckers sleeping during the day - New parents trying to get sleep back after the newborn phase - CPAP users struggling with mask comfort, travel, and cleaning - Hot sleepers, including women going through menopause - Light sleepers in noisy apartments or cities - Frequent travelers and remote workers dealing with jet lag and time zones - Snorers, and the partners who sleep next to them - Athletes or runners optimizing sleep for recovery