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What can cause night body shakes as a symptom?

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Night body shaking, or tremors, can be a part of normal sleep behavior or may be a symptom of a sleep disorder, explains NetWellness. Sleep starts and periodic limb movements may be the cause of night tremors. Additional causes of night tremors include sleep apnea, periodic limb movement disorder, REM behavior disorder, or a movement disorder such as excessive fragmentary myoclonus. Night tremors may also be due to a drug overdose or reaction to a medication, notes Home-Remedies-for-You.com.

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A blood clot or tumor in the brain, Parkinson's disease, Alzheimer's disease and Huntington's disease are all possible causes of night tremors, according to Home-Remedies-for-You.com. Night tremors can also be caused by a head or spinal cord injury or as a result of oxygen deprivation.

In the case of sleep apnea, a person's airway completely or partially closes recurrently during sleep, states NetWellness. The person arouses briefly to establish normal breathing again, and depending on the severity of the apnea, a person's limbs may shake or jerk. People suffering from sleep apnea usually experience other symptoms, including daytime tiredness, reduced alertness and headaches when waking up.

With periodic limb movement disorder, a person experiences brief awakenings and jerks, typically in the legs, reports NetWellness. Leg jerks that occur in the first third of the night that a person is not aware of are usually a part of normal sleep. However, if the leg jerks disturb the person and result in poor sleep and daytime tiredness, there could be an underlying disorder.

REM behavior disorder causes a person to experience jerks or tremors at night that are typically related to dreams, explains NetWellness. Typically, a person can remember the dream and the movements are an attempt to act out a portion of the dream.

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