About Us

Who We Are & What Sets Us Apart

At Well Rested Sleep Specialists, we believe better sleep leads to better living. As the only female-owned sleep practice in the area, we take pride in offering personalized, compassionate care for those navigating sleep-related challenges.

Our approach is different. Where many clinics offer a one-size-fits-all solution, we prioritize tailored treatment plans based on each patient’s specific needs and lifestyle. In addition to traditional options, we provide alternatives to CPAP therapy and ensure continued support well beyond the initial diagnosis or device setup. That means you don’t just leave with a prescription—you leave with a plan, a partner, and a team that follows up.

With a foundation in proven care and focus on meaningful outcomes, we’re committed to helping you sleep well and live fully—because quality rest is essential to healthy living.

The Owners & Your Partners in Care

Well Rested Sleep Specialists is proudly led by a team of dedicated partners who bring a shared vision and diverse expertise to the practice. As the only woman-owned sleep clinic in the region, the practice reflects a commitment to excellence, innovation, and patient-first care. Together, Carol Scroggins, FNP, and Kelly Vrettos, FNP are building a more personalized and supportive approach to sleep medicine.

With years of combined experience, Carol and Kelly bring clinical depth and a compassionate touch to the treatment of a wide range of sleep disorders. Both serve as Nurse Practitioners and partners, providing customized care and long-term patient support. United by their leadership and focus on patient outcomes, these partners are redefining what modern, personalized sleep care looks like.

Meet the Team

Carol Scroggins, FNP

NURSE PRACTITIONER / PARTNER EXPERT IN COGNITIVE BEHAVIORAL THERAPY FOR INSOMNIA (CBT-I)
Carol offers compassionate evidence based care to adults struggling with insomnia through Cognitive Behavioral Therapy (CBT-I). With a deep understanding of sleep science and behavioral health, Carol guides patients to break the cycle of sleeplessness using proven strategies that improve sleep quality naturally- without reliance on medication.
Carol is a native Memphian. She began her nursing career as a Registered nurse in 1989. She worked at Baptist Women's Hospital while getting her master's degree at Union University as a nurse practitioner. She graduated with honors in 2008. Carol has over 17 years of diverse experience as a nurse practitioner, with over 8 years in sleep medicine. She offers telemedicine appointments and is licensed in Tennessee and Mississippi. She is also a certified Yoga and Pilates instructor.
Rediscover the power of healthy sleep with Carol and Well Rested Sleep Specialists.
Kelly Vrettos, FNP

NURSE PRACTITIONER / PARTNER CERTIFIED PEDIATRIC SLEEP COACH
Kelly combines her expertise as a nurse practitioner with specialized training in pediatric sleep coaching to support families through the challenges of infant and toddler sleep. With a compassionate, personalized approach, Kelly helps parents to develop gentle, effective sleep plans tailored to each child’s unique needs. Kelly provides evidence-based guidance and ongoing support - empowering your family to enjoy more restful and happier days.
With 38 years of experience in the healthcare industry, Kelly is a dedicated nurse practitioner with a focus on the impact of sleep on overall health. She earned her master's degree as a nurse practitioner from Arkansas State University and holds a Bachelor of Nursing from the University of Memphis, as well as certification as a respiratory therapist. Kelly has six years of specialized experience in sleep medicine and seven years in family practice, including conducting DOT physicals. She is committed to assisting patients in achieving improved rest and overall wellness.
Because healthy sleep is the foundation for your child’s growth and your family’s well-being.
Ibrahim Sultan-Ali, MD

GUIDING PHYSICIAN / SITE MEDICAL DIRECTOR
Ibrahim A. Sultan-Ali is the Chief Medical Officer of Regional One Health’s Extended Care Hospital, which provides care for patients with a variety of complex medical conditions.
Dr. Sultan-Ali specializes in pulmonology, or conditions that impact the lungs and respiratory system. He is board-certified in internal medicine, pulmonary disease, critical care medicine and sleep medicine.
Dr. Sultan-Ali earned his medical degree at University of Tennessee Health Science Center in Memphis. He also completed his residency and fellowship in pulmonary care and critical care medicine at UTHSC.
He is an assistant professor in the UTHSC College of Medicine Division of Pulmonary, Critical Care and Sleep Medicine.
Marjorie Biffle

CLINICAL COORDINATOR / FRONT DESK
Marjorie Biffle is the Clinical Coordinator and first point of contact at Well Rested Sleep Specialists. With many years of experience across different sleep medicine settings, she ensures a welcoming and smooth experience for all patients. She also schedules & instructs patients on the process of Home Sleep Testing, helps with insurance & billing questions, assists in marketing, & otherwise "runs the show" for Well Rested Sleep Specialists.
Magan Stephens

MEDICAL ASSISTANT
Magan Stephens serves as the Medical Assistant for Well Rested Sleep Specialists. She plays an important role in assisting providers and ensuring patients are supported through every step of their visit & beyond by getting billing & insurance questions answered, being sure instructions are clear, scheduling, etc. She has been working with Dr. Lennon & Carol for 8 years, wearing many "hats" & assisting wherever needed.