In an interview with HT Lifestyle, Dr Anshul Kumar Jain, director of Cardiology at the CK Birla Hospital, Delhi, revealed how poor sleep can impact your heart health. Someone can run five kilometres most mornings, cook from scratch, skip the fried food and still be doing quiet damage to their heart every single night — simply by treating sleep as optional. It’s the blind spot in most health routines. Diet gets planned, workouts get scheduled, but bedtime slides later and later, or shifts unpredictably from one night to the next.
Dr Jain highlighted that sleep loss doesn’t stay contained to the heart itself — it ripples into metabolism. Sleep also governs appetite hormones; when it’s disrupted, hunger cues become less reliable, cravings for high-calorie food increase, and weight tends to creep up. Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.
It reduces insulin sensitivity, nudging blood sugar regulation off course and raising the long-term risk of type 2 diabetes, itself one of the biggest drivers of cardiovascular disease.
