Daylight Saving Time in Psychiatric Illness
Shapiro C M~~Blake F~~et al
It has been reported that the change in photoperiod induced by the occurrence of daylight saving time (DST) has an effect on psychiatric presentation. The authors therefore investigated the impact of DST in 3 conditions: parasuicide presentations; psychiatric outpatient contacts & inpatient admissions; & registered suicides. Results show neither the change in photoperiod nor the effect of a small change in circadian rhythm associated with DST has an effect on cases in any of the 3 conditions.