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, ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more No one likes getting up in the morning — unless you're an early bird — but a good alarm clock makes waking ...

Alarm clocks are meant to wake us up, so it's reasonable to assume a louder, more disruptive alarm sound could be the most effective at helping you kick that snooze button habit. But did you know ...

Using a melodic song you enjoy as an alarm sound can potentially reduce feelings of grogginess upon waking. However, waking suddenly from sleep may have negative effects. Many people use an alarm ...