You could try creating a bedtime routine to help relax your mind before going to sleep, such as reading a book or taking a warm bath. Avoid screens and caffeine close to bedtime. You could try practicing relaxation techniques such as deep breathing exercises, meditation, or yoga. Taking a walk in nature or listening to calming music can also help reduce stress. Depending on your budget and preferences, some popular phone options to consider are the latest models from Apple, Samsung, or Google. It's important to research each phone's features and read reviews to find the best fit for your needs.