Deep sea fish. Humpback anglerfish. Deep-sea fish are fish that live in the darkness below the sunlit surface waters, that is below the epipelagic or photic zone of the sea. The lanternfish is, by far, the most common deep-sea fish.
Measuring your bed: 1) Measure the thickness of your mattress â start at the corner of the top and measure to the corner of the bottom. 2) Double this measurement and add to the side measurement {or the first number listed}- this will allow the quilt to drape the sides of the mattress.
A new measuring system is enabling sleep monitoring in your own bed. A sensor is placed under the bed sheets, measuring e.g. heart rate, breathing, sleep quality and sleep length. The sleep data is presented to the user in a mobile app or online. This is the topic of a newly defended PhD dissertation.