Complex sentence: These modern devices may make those suffering from nomophobia or related disorder feel safer, more confident, and less anxious and often will insist on keeping their devices on hand at all times, like returning to their homes to retrieve forgotten cell phones.
Split into simpler sentences: These modern devices may make those suffering from nomophobia or related disorder feel safer, more confident, and less anxious. Such people will often insist on keeping their devices on hand at all times, typically returning to their homes to retrieve forgotten cell phones.