Brain fog causes fatigue, confusion, and focus issues, and can stem from issues with sleep, hormones, illness, or diet. Lifestyle changes and medical care can help restore clarity.

Widespread pain. Dizziness. Sore throat. Tender lymph nodes. Can emotions cause fatigue? Emotional stress, such as anxiety about the future, health concerns, or worries about loved ones' well ...

People with OSA often report experiencing daytime sleepiness. In addition to having to arouse in order to restablish breathing, OSA causes episodes of decreased oxygen supply to the brain and ...