The same assessment was repeated, at a similar time of year, for two successive years. Eighty-two children completed the second assessment, and 72 completed the third assessment. The authors observed that Israel includes a six-day school week, with Friday being the only day that’s not followed by school. As expected, significant variations were found between rest on Friday nights and sleep on school nights. On Fridays, sleep onset was delayed, sleep period was rest and extended quality was poorer in comparison with school nights.Some individuals have a prior history of somatization . In some instances, there is usually some secondary gain associated or attention-seeking behavior associated with the tremors. This is normally a very challenging medical diagnosis. If an underlying emotional condition can be diagnosed the individual should be referred to a psychologist or a psychiatrist. Drug-induced Tremors The usage of many drugs and toxins can lead to tremors also. Many of these medications are indicated for treatment of medical conditions.