Yes, sleep apnea can be very bad for your health if you don't treat it. Breathing stops and starts a lot while you sleep, which lowers oxygen levels. This puts stress on the heart and raises the risk of diabetes, high blood pressure, heart disease, and stroke. It can also make you sleepy during the day, which makes accidents more likely, especially when you're driving or running machinery. Sleep apnea that isn't addressed can also lead to memory loss, mood disorders like depression, and a lower quality of life in general. Early identification and treatment, like using a CPAP machine, Medication like buy Modalert 200 Australia online or changing how you live your life, are very important for lowering these risks.