Loud Alarm Ringtone People who are heavy sleepers you can try this alarm clock There is no snooze key on the clock so you cant have a chance to nap You have to get up turn off the loud alarm This will make you get awake and quickly Twin Bell Alarm Clock is the perfect clock for heavy sleepers hard of hearing hearing impaired and hearing loss Easy to Read Clock Face makes it simple to read while also having illuminated hands for easy to see at night or in the dark It rings loudly and can woke heavy sleepers up while whose cell phone clock failed