With the release of Windows 10 just around the corner, Microsoft is preparing to release a true successor to the Lumia 930 - the Lumia 940 and the Lumia 940XL.
There are a number of factors that can cause confusion, from serious health problems to vitamin deficiencies. Alcohol intoxication is a common cause of confusion. Other causes include: A concussion is a brain injury that occurs as a result of head trauma.
1 Attention deficit disorder medications can cause irritability, insomnia, and anxiety. 2  Sleeping medication can cause drowsiness, forgetfulness or amnesia, and depression. 3  Prednisone/cortisone can cause restlessness, mood swings, euphoria, personality changes, confusion and hallucinations.