Impact of Daylight-Saving Time on People with Alzheimer’s and Dementia

Lawndale News Chicago's Bilingual Newspaper - Health

Daylight Saving Time (DST) is a seasonal practice that involves adjusting the clocks forward by one hour in the spring and back by one hour in the fall. Despite being a seemingly small shift, DST can significantly impact our circadian rhythm, which regulates our sleep-wake cycle. The suprachiasmatic nucleus is a part of the human brain which controls our circadian rhythm. This part of the brain utilizes external cues, for example, light and darkness, to synchronize with the external environment. The sudden shift in time can disrupt this synchronization, causing temporary sleep disturbances as our bodies adjust to the new schedule. As we prepare to spring ahead with DST on Sunday, March 12, the Alzheimer’s Association is encouraging caregivers and families of loved ones with Alzheimer’s or dementia to keep safety top of mind. Individuals with Alzheimer’s and Dementia are particularly vulnerable to sleep disturbances, and the disruption caused by DST can exacerbate their symptoms. These individuals often experience disrupted sleep-wake cycles due to cognitive impairments, leading to irregular sleep patterns and daytime drowsiness. The sudden change in the timing of the sunrise and sunset caused by DST can further disrupt their already fragile sleep patterns, leading to additional sleep disturbances such as waking up too early, difficulty falling asleep, and daytime fatigue. Caregivers should also monitor for signs of sleep disturbance and adjust their routines accordingly. By managing DST and sleep, individuals with Alzheimer’s and dementia can improve their quality of life and better manage the symptoms of their condition.

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