Individual tolerance varies, thus there is no set age at which someone should cease working night shifts. But as people become older, their capacity to cope with erratic sleep patterns may deteriorate, which makes working night hours more difficult. By encouraging alertness, the wakefulness-promoting substance Modalert 200 can lessen the negative consequences of night work. Nevertheless, while determining whether to continue working night shifts, older people should take into account their health, lifestyle choices, and capacity for adaptation. Making educated decisions regarding their work schedules and general well-being may be facilitated for older persons by scheduling regular health check-ups and meetings with healthcare experts.