For years, we have spoken about the negative impact sleep apnea can have on your overall health. Can sleep apnea also have an effect on your mood? The answer is an absolute yes. Patients who suffer from sleep apnea and are not receiving treatment do not get quality sleep at night. Your body needs adequate sleep to function properly every day. Think of a baby or toddler you may know. How is their mood when they do not get a nap during the day or if their sleep is interrupted? They are cranky, irritable, and difficult to calm down. While adults may not behave as poorly as children when they’re tired, their moods can be rather similar.