Circadian rhythm disorders can significantly impact sleep quality and overall health. Recognizing the causes and symptoms is the first step towards effective management. With a combination of behavioral changes, light therapy, and in some cases medical interventions, individuals can align their internal clocks with their desired schedules — improving sleep and daytime functioning.
If you need help, schedule a consult with Dr. Saema Tahir, M.D. and we’ll develop a tailored treatment plan that addresses the specific needs of you and your family.
1. Lifestyle Factors: Irregular sleep schedules, especially among shift workers and travelers, are the most common cause. Night and rotating shifts drastically alter the internal clock. Travel across time zones produces jet lag — a temporary circadian disorder.
2. Medical Conditions: Delayed Sleep-Wake Phase Disorder (DSWPD), common in adolescents and young adults, causes delayed sleep onset and wake time. Advanced Sleep-Wake Phase Disorder (ASWPD), seen in older adults, involves an advanced sleep phase. Non-24-Hour Sleep-Wake Disorder predominantly affects blind individuals.
3. Genetic & Environmental Factors: Genetic predispositions can influence the timing of the circadian clock. Excessive exposure to artificial light — especially blue light from screens — interferes with melatonin production.
Common symptoms of circadian rhythm disorders include:
Dr. Tahir is a quadruple board certified physician who specializes in Pulmonary Disease, Critical Care Medicine and Sleep Medicine. She practices with integrity and puts patient communication at the forefront, building tailored assessments and treatment plans that involve a comprehensive physical, social and psychological evaluation.
For Dr. Tahir, best care involves trust on top of a true holistic approach. She is currently accepting new patients and can often accelerate treatment so you don’t have to wait weeks or months to get the help you need.
Treating circadian rhythm disorders involves realigning the body’s internal clock with the external environment. Light therapy is one of the most effective treatments — exposure to bright light at specific times of day to reset the circadian rhythm. For delayed sleep phase, morning light exposure (sunlight or a light box) helps. For advanced sleep phase, evening light exposure delays the sleep phase. Minimizing blue light from screens before bedtime is crucial.
Behavioral interventions and lifestyle modifications are also key. Maintaining a consistent sleep schedule reinforces the desired wake-cycle. Melatonin supplements, used under healthcare guidance, can regulate sleep timing. Good sleep hygiene practices — and in some cases chronotherapy — round out the treatment plan. A sleep specialist can build a personalized plan for effective long-term management.