Circadian rhythm is a 24-hour internal clock in our brain that helps control the daily schedule for sleep and wakefulness.

Your brain receives signals based on your environment that activate certain hormones, alter body temperature and regulate your metabolism to keep you alert or draw you to sleep.

Circadian rhythm disorders occur in most people with dementia and the symptoms include:

  • Late afternoon/evening agitation – also known as sundowning
  • Irregular sleep/wake rhythms such as excessive day time sleeping and frequent nighttime waking

Would you like to find out more about how to help improve your circadian rhythm?

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