Accel Cognitive Support Depending on the severity of brain fog, it can interfere with work or school. But it doesn't have to be a permanent fixture in your life. Your doctor will evaluate your symptoms and your overall health history to determine if any testing is needed. Obstructive sleep apnea results in low oxygen levels in the blood. That's because blockages prevent air from getting to the lungs. Accel Cognitive Support Reviews In fact, some estimates indicate that 15 percent of sleep drunkenness is linked to getting nine hours of sleep per night, while 20 percent of reported cases are linked to getting less than six hours. Restless leg syndrome may be another cause of sleep drunkenness because it can affect your quality of sleep at night.