The sound of silence is getting louder in America -- and the tech world is listening. Across the country, the number of people living with some degree of hearing loss is rising, with cases expected to jump from 44 million in 2020 to more than 73 million by 2060.

Feeling tired. Your body may be trying to whisper a warning. Americans are notoriously bad sleepers, with 1 in 3 US adults failing to consistently get the recommended seven to nine hours of shut-eye at night.