Many people struggle with exhaustion due to poor sleep caused by stress, irregular schedules, and unhealthy habits. To address this, Harvard-trained gastroenterologist Dr. Saurabh Sethi suggests 10 simple lifestyle changes. These include avoiding late meals, cooling the bedroom, getting morning sunlight, and maintaining consistent wake-up times. Adopting these habits stabilizes the body clock and promotes deeper, restorative rest, helping you wake up feeling refreshed.