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, ...

Add Yahoo as a preferred source to see more of our stories on Google. There are plenty of loud alarm clocks for heavy sleepers, including phone apps that make you solve a math problem and rolling ...

For someone who's sleepy all day, the temptation to lay down in your bed always stays the same. It's like a sin that you should get rid of immediately. It will only get worse if you have a defunct ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Not everyone can be a morning person. Some people (us included) feel the pull to stay in bed pretty ...