How long should I keep tax returns? In most cases, you should plan on keeping tax returns along with any supporting documents for a period of at least three years following the date you filed or the due date of your tax return, whichever is later.
Myoclonus. These are shock-like, jerking movements. They may occur naturally during sleep, or at moments when a person is startled. However, they can also be due to serious underlying health conditions, such as epilepsy or Alzheimerâs.
These movements are called 'hypnic jerks'. Most people are also familiar with the random body 'shudder' that some people get. This is sometimes described as 'walking on someones grave' because of the way it moves quickly through the body. The occasional hypnic jerk or a body shudder are normal. But in functional myoclonus the jerks become a frequent and disabling problem. There may be jerks of the arms or legs, or quite commonly there is jerking in the body.The movements cannot be controlled (ie they are involuntary)