Ever wake up tired even after a full night’s sleep? That’s not in your head—it’s something called fragmented sleep, a form of disrupted rest where you wake up repeatedly through the night. You might not even remember it, but your brain does. The result: you start your day already behind—groggy, irritable, and emotionally off-balance. Recent research has shown that fragmented sleep doesn’t just make you tired—it alters how your brain handles emotions. In one study, participants were awakened ever

Effects of Sleep Deprivation | Sleep Foundation