Hi Raj, Thanks for your reply. My husband has PD - but does tremor while sleeping on occasion. He thought perhaps it's while he's dreaming...or during the time he's not in a deep sleep. Thanks again. Shirley ----- Original Message ----- From: "Brightline" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, April 16, 2003 6:39 AM Subject: Re: One side is worse than the other, why? > Hi! Shirley: > > All the text books say that the main difference between Essential Tremor > (ET) and PD is that ET is characterized by action tremor (hand tremors when > you do something with it - the more force you apply to your fingers, the > tremor gets worse- either writing or lifting smething, while people with PD > display resting tremor (tremor when you are not doing anything, constantly > shaking eg. Ali's case). But there could be some exceptional cases. If you > just have action tremor and no other symptoms of PD and if your tremor > dissipates under the influence of alcohol, it is considered ET and not PD. > But, according to Dr. Lieberman about 10% fo PWP do show action tremor! I > have not read that anywhere else. May be Dr. Bob Fink can clarify this. > You should check with an MDS. > With best wishes, > Raj > ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn