Our Experts

SleepTest.co.uk has provided professionally-assessed in-home sleep tests since 2007.

Here are profiles of some of the experts who report on our sleep tests and contribute to the extensive information and support provided on this site and in our results letters.

Dr Swapna Mandal BSc, MBBS, MRCP

Dr Swapna Mandal BSc, MBBS, FRCP (UK) PhD

Dr Swapna Mandal BSc, MBBS, MRCP

Dr Mandal is the lead Consultant Physician in Sleep and Ventilation at the Royal Free London NHS Foundation Trust, one of the largest NHS sleep services in the capital.

She is also the clinical lead for lung function services across the trust and has introduced innovative diagnostic pathways. She continues her pursuit of academic interests in sleep and ventilation medicine and is supervising several PhD students as well as actively improving patient care through quality improvement projects.

She has spent over four years pursuing research in this field at a renowned sleep and ventilation centre, particularly in individuals with obesity and sleep disordered breathing.

Dr Mandal has been providing her professional reports for Intus Healthcare’s In-Home Sleep Test Service since 2017. As well as providing accurate, qualified reports, her experience in leading an NHS sleep centre allows her to help us ensure that every aspect of the service we provide is at the highest possible standard.

The WatchPat device used for our in-home service is also used by Dr Mandal’s Royal Free London sleep clinic.

Dr Swapna Mandal BSc, MBBS, MRCP

Francisco Piai

Dr Swapna Mandal BSc, MBBS, MRCP

Francisco has over 20 years of experience working as a Respiratory Physiologist, and since 2011 he has been the lead Respiratory & Sleep Physiologist of the University Hospitals Sussex NHS Foundation Trust at St Richard’s Hospital. 

He is registered with the UK Registration Council for Clinical Physiologists and a member of the Association for Respiratory Technology & Physiology. And over the last decade, he has regularly attended the yearly conferences organised by the British Sleep Society, other sleep meetings and international conferences in order to continue his professional development. 

Over his years working with sleep, he has accumulated extensive experience reporting thousands of studies for private practices and the NHS. 

Francisco has recently joined Intus Healthcare to share his knowledge with the team and provide a professional service reporting our sleep studies. 

Dr Swapna Mandal BSc, MBBS, MRCP

Carly Gregory

Dr Swapna Mandal BSc, MBBS, MRCP

Carly started her career in Respiratory and Sleep Physiology in 2007; she completed a degree in Clinical Physiology (Respiratory & Sleep), passed the ARTP Part 1 & Part 2 and is registered with the RCCP and AHS. 

Carly has worked in several large Respiratory and Sleep departments, including the Royal Brompton and Queen Victoria Hospital. She has clinical experience in all aspects of Sleep, including Polysomnography and Non-Invasive Ventilation, as well as Lung Function Testing.

Carly is also RPSGT qualified and graduated from Oxford University with a Masters in Sleep Medicine. 

Dr Swapna Mandal BSc, MBBS, MRCP

Jay Gadher

Dr Swapna Mandal BSc, MBBS, MRCP

Jay is an experienced Respiratory & Sleep Clinical Scientist. His previous experience includes working at Royal Devon and Exeter NHS Foundation Trust, where he completed his BSc in Healthcare Science has allowed him to gain expertise in scoring home and laboratory sleep studies.

Jay has more recently worked at the Queen Elizabeth Hospital NHS Foundation Trust in Birmingham where he completed his MSc in Clinical Science, specializing in Respiratory and Sleep Science. He is now currently employed by Hampshire Hospitals as a Senior Respiratory Physiologist.

Jay has recently been recruited to Intus Healthcare to provide a professional assessment of our In-Home Sleep Tests.

Dr Swapna Mandal BSc, MBBS, MRCP

Jenny Hall

Dr Swapna Mandal BSc, MBBS, MRCP

She has worked at Baywater since 2005, when it was then called Air Products, and her roles have included being a Senior Nurse Adviser and then fives years as the Service Lead for Baywater’s Home Oxygen Service in Wales, East Midlands ad North London.

Jenny has a background in nursing, having graduated as a Registered General Nurse in 1995 and subsequently achieved an MSc in Health Studies in 2002. She now uses her experience to lead Baywater’s clinical team and ensure that their service provides the highest level of patient care possible.

For Intus, Jenny’s feedback helps to improve our service, particularly from a patient perspective, focusing on ensuring it is accessible, accurate and informative. She also makes a significant contribution to the expert information and advice that we provide on this website, particularly through our blog.

Dr Swapna Mandal BSc, MBBS, MRCP

Helen Clarkson

Dr Swapna Mandal BSc, MBBS, MRCP

Helen Clarkson has been Baywater Healthcare’s Sleep Specialist since 2008.

Prior to joining Baywater, Helen spent eight years in NHS respiratory clinics, including three years at Pontefract General Hospital as a Respiratory Physiologist.

Her clinical background ensures that the clinical quality is at the centre of Baywater’s services. Since Baywater acquired Intus in 2018, she has helped us improve our service from a clinical perspective so that we too provide the level of care synonymous with Baywater.

Like Jenny, Helen provides a wealth of informative blog entries to help raise awareness of Sleep Apnoea and guide those who suspect they may have the condition.

Contact Us

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0800 024 8050 (from UK) or +44 800 024 8050 (non-UK) (9am - 5pm UK time, Monday to Friday)


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Boundary Way
Surrey GU21 5DH United Kingdom

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