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A dawn simulator can be used as an alarm clock. Light enters through the eyelids triggering the body to begin its wake-up cycle, including the release of cortisol, so that by the time the light is at full brightness, sleepers wake up on their own, without the need for an alarm. Most commercial alarm clocks include a "dusk" mode as well for bedtime.
Clocky. Clocky is a brand of alarm clock outfitted with wheels, allowing it to hide itself in order to force the owner awake in an attempt to find it. Invented for an industrial design class by Gauri Nanda, then a graduate student at MIT Media Lab, Clocky won the 2005 Ig Nobel Prize in Economics.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. 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 ...
#94 Forget About A Rude Awakening, Wake Up Naturally With The Wake Up Light Sunrise Alarm Clock. Review: "Wow this clock can get bright! Lots of options for sound, lots of options for levels of ...
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The linear induction, Faraday flashlight, or "shake flashlight" is another type of mechanically powered flashlight. It has been sold in the US beginning with direct marketing campaigns in 2002. This design contains a linear electrical generator which charges a supercapacitor which functions similarly to a rechargeable battery when the ...
Waking up in the light: cortisol awakening response is larger when people wake up in light rather than darkness. [14] [15] Noise: there is no cortisol rise after nights with traffic-like low-frequency noise. [16] Alarm clock vs. spontaneous waking: there is no difference on days when people woke up spontaneously or used the alarm clock. [3]
Calendar is a personal calendar app made by Apple Inc. for its macOS, iOS, iPadOS, and watchOS operating systems.It offers online cloud backup of calendars using Apple's iCloud service, or can synchronize with other calendar services, including Google Calendar and Microsoft Exchange Server.