Insomnia (sleeplessness) and loss of appetite can have many causes, including stress, anxiety, depression, infections, thyroid problems, nutritional deficiencies, or certain medicines. The right treatment depends on identifying the underlying cause, so avoid taking sleeping pills or appetite stimulants without medical advice. Your doctor may recommend blood tests or other investigations if your symptoms persist. In the meantime, try to maintain a regular sleep schedule, limit screen time before bedtime, and avoid caffeine, nicotine, and heavy meals close to bedtime. Eating small, frequent meals and choosing nutritious, high-calorie foods may help improve your appetite. Staying physically active during the day can also support better sleep and appetite. Seek medical attention promptly if your symptoms last for more than two weeks, are accompanied by significant weight loss, persistent low mood, fever, or severe fatigue, or if they interfere with your daily activities. A proper evaluation by a doctor will help determine the most suitable treatment.