Water Sprayer as a Silent Alarm Clock

Who has voted?

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• Admin Adminov - 7
• Vadim Stebakov - 7
• Elena Dobrynchenko - 8
• Vadim Kotelnikov - 8
• Dragan Dejkovic - 8
• Anchali Hyapha - 8
• Ravi Bindra - 8
• Blob Varchar - 8
• Marco Nunes - 9

Total rating: 7.88889

The Problem Addressed

Pretty often, of two (or more) people sharing bed or room, one has to get up earlier. Standard sound-based alarm clocks wake up everybody. A silent alarm clock would wake up the early riser only.

Two Key Features of the Silent Alarm Clock

1. Bluetooth Vibrating Wrist Band: the alarm clock would have a bluetooth vibrating wrist band (see an example)

2. Focused Light Beam: the alarm clock would to turn a focused light beam on.

Any other solutions?:-)