New Delhi, Dec. 2 -- Without sleep, we cannot survive - as a mind or a body. Sleep is the body's nightly maintenance, the brain and immune system's chance to regroup for the next fight for health. But newly developed lifestyles are chipping away at sleep without us understanding the long-term implications.

Late-night screen exposure, artificial light, caffeine consumption and chronic stress are all training your brain to delay sleep - in ways most of us age-normalise. In fact, the body starts to pay a "silent" toll long before symptoms are apparent.

Dr Srinivas Rajkumar T, MD (AIIMS, New Delhi) - Senior Consultant Psychiatrist at Apollo Clinic, clarifies that "sleep is not a pass-time but a neurobiological state of restorati...