This TikTok-viral alarm clock sound is perfect for spooky season, and users swear it wakes them up from the deepest sleep.
Qonversations on MSN
Did you know? The first alarm clock could only ring at 4 a.m.
Today we expect alarm clocks to fit around our lives, from phone alarms that sync with our calendars to smart speakers that wake us with gentle music. But the very first mechanical alarm clock offered ...
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