Sleep Quality Assessment on iPhone: A person holding a white iPhone in their hands, with the screen displaying an app related to sleep quality assessment. The user is wearing a white sweater and is sitting on a bed or couch covered by a blue and white plaid blanket. The background of the image is out of focus, but it appears to be a bedroom or living room setting. The overall atmosphere suggests that the person is using their phone in a relaxed environment, possibly before going to sleep or during the morning hours.