New Delhi, Feb. 3 -- You finally get into bed after a long, tiring day, hoping to fall asleep instantly, but your mind refuses to switch off. Sound familiar? Feeling tired but not able to sleep is a surprisingly common problem among people. Long work hours, stress, late-night scrolling, irregular meals, and even well-meaning habits like afternoon naps can quietly disrupt your body's natural sleep rhythm.

According to internal medicine specialist Dr Manjusha Agarwal, many people feel exhausted physically, but their brain stays alert due to hormonal and lifestyle triggers. A study published in the Journal of Sleep Research suggests that poor sleep quality not only affects mood and focus but also long-term metabolic and heart health. Unders...