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2. Alarm clock - Wikipedia

   en.wikipedia.org/wiki/Alarm_clock

   This is an accepted version of this page This is the latest accepted revision, reviewed on 17 November 2024. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...

3. Knocker-up - Wikipedia

   en.wikipedia.org/wiki/Knocker-up

   A knocker-up or knocker-upper was a member of a profession [1] in the Netherlands, Britain, Ireland, and some other countries that started during, and lasted well into, the Industrial Revolution, when alarm clocks were neither cheap nor reliable. A knocker-up's job was to rouse sleeping people so they could get to work on time.

4. History of timekeeping devices - Wikipedia

   en.wikipedia.org/wiki/History_of_timekeeping_devices

   A limestone Egyptian water clock, 285–246 BC (Oriental Institute, Chicago). The oldest description of a clepsydra, or water clock, is from the tomb inscription of an early 18th Dynasty (c. 1500 BC) Egyptian court official named Amenemhet, who is identified as its inventor. [27]

5. Telechron - Wikipedia

   en.wikipedia.org/wiki/Telechron

   Telechron electric alarm clock. Telechron alarm clocks are particularly popular with collectors. Until about 1940, the overwhelming majority of Telechron alarm clocks had bell alarms. The entire mechanism was enclosed in a bell housing of steel. Atop the clock's coil was a metal strip that vibrated at 60 cycles per second when the alarm was ...

6. Flip clock - Wikipedia

   en.wikipedia.org/wiki/Flip_clock

   1970s Copal flip alarm clock. A flip clock (also known as a "flap clock") is an electromechanical, digital time keeping device with the time indicated by numbers that are sequentially revealed by a split-flap display. The study, collection and repair of flip clocks is termed horopalettology (from horology – the study and measurement of time ...

7. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

   www.aol.com/lifestyle/doctors-nighttime-behavior...

   People also may not remember where their home is or the loved ones who take care of them, Dr. Kobylarz says. “You can see [the person with dementia] change at a certain time of the day and ...