If you are one of those who need the alarm clock to sound several times before you finally get up, it's probably because you don't get enough rest .

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Ideally we should be able to wake up around the same time every day without   needing any alarm. 

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In any case, if you prefer to use an alarm clock, with   a  only time it rings you should be able to get up.

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There are devices and apps that help   wake up less abruptly, with silent, vibrating alarms. Or pleasant music that induces a peaceful awakening.

Even in some   sleep monitoring apps, you can set a time range to wake up and   the app detects the sleep state you are in and sounds the alarm at the time of that range that is less disruptive.