Restores brain function
Memory consolidation, cognitive performance and nightly clearance of brain metabolic waste via the glymphatic system.
India's First Integrated Sleep, Circadian & Metabolic Health Program
Sleep Helps in Healing & Health
Understanding the science behind your rest
The powerful connection between sleep, circadian rhythms, diabetes, metabolism, heart health and overall wellbeing addressed under one integrated program.
Sleep isn’t just a pillar of health — it’s the foundation. Its importance is often underestimated, yet sleep is essential for the optimal functioning of every organ and cannot be replaced by supplements or sedatives.
Inside the brain is a master "body clock" that responds to natural sunlight received through the eyes. This internal timing system coordinates daily body functions over a 24-hour cycle. In addition, every organ has its own molecular clock — tiny internal timers within our cells that tell the body when to sleep, wake, digest food, release hormones and repair itself. Together these synchronized systems form our circadian rhythm.
Because of those rhythms, the body handles the same food differently at 9 AM than at 9 PM. Insulin receptor activity shifts between day and night. Timing matters as much as performance.
7–9hrs
Recommended adult sleep
1in 3
Adults with poor sleep quality
40%
Higher diabetes risk
24hrs
Circadian rhythm cycle
Why it matters
Why Sleep & Circadian Health Matter
Sleep is an active biological process that restores, repairs and regulates nearly every system in your body.
Strengthens immunity
Optimising metabolic health and insulin sensitivity through circadian alignment.
Regulates blood sugar
Night-time heart rate and blood pressure dips that protect cardiovascular function during restorative sleep.
Supports heart health
Enhanced disease resistance, accelerated tissue repair and stronger innate immune defences.
Improves mood and cognition
Stress management, emotional regulation and resilience.
Promotes healthy ageing
Cellular repair processes driven by deep slow-wave sleep that slow biological ageing and reduce chronic disease risk.
Health risks
Poor sleep & circadian disruption are directly linked to
DiabetesObesityHypertensionFatty Liver DiseaseHeart DiseaseDepressionCognitive DeclineCancer
Quick Self-Check
Do you experience any of the following? A single 'yes' may indicate a sleep disorder.
Snore?
Feel tired despite sleeping?
Have diabetes with poor sugar control?
Poorly controlled BP and multiple medications?
Experience daytime sleepiness?
Work shifts?
Morning headaches?
eat moderately, exercise and still don’t lose weight?
If you answered yes to any of the above, you may benefit from a sleep evaluation.
Circadian science
Understanding Circadian Health
Circadian rhythm is your body’s natural 24-hour internal clock that regulates important functions such as sleep, wakefulness, hormone release, metabolism, body temperature, and digestion. This “master clock” is located in a small part of the brain called the hypothalamus and responds mainly to natural light entering through the eyes.
Your biological clock regulates
Sleep and wakefulness
Hormones
Appetite
Digestion
Body temperature
Energy levels
Cellular repair
Harmful to circadian health
Late-night eating
Screen exposure after sunset
Shift work
Irregular sleep schedules
The Four Major Circadian Influencers
Morning Light
Meal Timing
Physical Activity
Evening Light
Your body not only needs to function properly, but it also needs to perform these functions at the right time. For example, even before sunrise, the brain prepares the body to wake up by releasing hormones such as cortisol, helping you feel alert and ready for the day. At night, the body shifts into rest and repair mode to promote healthy sleep.
In addition to the brain’s master clock, every organ in the body has its own “molecular clock” that follows signals from the brain. Together, these clocks work in harmony to coordinate body functions according to the day–night cycle.
Good circadian health helps maintain healthy sleep, energy levels, metabolism, immunity, and overall well-being.
Clinical
Conditions We Evaluate
We evaluate and manage the full spectrum of sleep and circadian disorders.
01
Obstructive Sleep Apnoea (OSA)
Symptoms
- Loud snoring
- Choking during sleep
- Morning headaches
- Excessive daytime sleepiness
- Poor concentration
Potential Health Risks
DiabetesHypertensionHeart diseaseStrokeCardiac arrhythmias
02
Insomnia
Symptoms
- Difficulty falling or staying asleep
03
Circadian Rhythm Disorders
Symptoms
- Misalignment between body clock and lifestyle
04
Shift Work Sleep Disorder
Symptoms
- Common among healthcare workers, IT professionals and industrial workers
What we offer
Our Services
Comprehensive integrated care combining sleep medicine, circadian science and metabolic health expertise.
Sleep & Circadian Health Consultation
Assessment of:
Sleep habits, Circadian health, Lifestyle, Metabolic factors
Sleep Studies (Polysomnography)
What the test measures:
Brain activity, Breathing, Oxygen levels, Heart rate, Movement
Snoring & Airway Evaluation
Upper airway assessment for sleep-disordered breathing.
Circadian Lifestyle Coaching
Guidance on:
Light exposure, Meal timing, Exercise timing, Sleep scheduling
CPAP Therapy Support
Device selection, Mask fitting, Compliance support, Follow-up reviews
CBT (Cognitive Behavioral Therapy)
Psychoeducation, Cognitive restructuring, Behavioral Intervention, Coping skills and Relapse prevention
Integrated care
Sleep & Diabetes
Sleep is a critical, often-overlooked pillar of diabetes management. Our Department works alongside diabetes specialists to deliver fully integrated care.
How Poor Sleep Affects Diabetes
Increase insulin resistance
Raise blood sugar levels
Increase appetite
Promote weight gain
Worsen HbA1c
Benefits of Improved Sleep
Better glucose control
Improved insulin sensitivity
Lower blood pressure
Increased energy
Better quality of life
Patient resources
Sleep Health Tips
Evidence-based habits to protect and improve your sleep quality — starting tonight.
01
Keep a consistent sleep schedule.
02
Get morning sunlight.
03
Reduce screen exposure after sunset.
04
Avoid heavy late-night meals.
05
Exercise regularly.
06
Limit caffeine.
07
Keep the bedroom cool and dark.
Common questions
Frequently Asked Questions
Our specialists answer the questions we hear most often.
Meet the specialist
Meet our dedicated
sleep specialist
Dr. Mahalakshmi Rangabashyam Shetty is Senior Consultant, Department of Circadian & Sleep Health, at Dr. Mohan's Diabetes Specialities Centre. She is an ENT specialist with advanced expertise in Sleep Medicine and Thyroid Surgery.
View Full ProfileTrusted diabetes care at
Dr. Mohan's Diabetes Specialities Centre
Book appointment with us today!