Insider Monkey: 10 Best Alarm Clock Apps on iPhone and Android For Heavy Sleepers Up next in our list of best alarm clock apps on iPhone and Android for heavy sleepers is Sleep Cycle that is one I can speak about from personal experience. It’s available for free on both iPhone and ... 10 Best Alarm Clock Apps on iPhone and Android For Heavy Sleepers AOL: 7 Best Alarm Clocks for Heavy Sleepers, According to a Sleep Expert 7 Best Alarm Clocks for Heavy Sleepers, According to a Sleep Expert If you're a very heavy sleeper, you already know a regular alarm clock usually doesn't get the job done, and phone alerts or easygoing sunrise alarms don't rouse those who are deep in an REM cycle, ...

Understanding the Context