Cosyworld is a German blog that publishes product-focused articles, mainly promoting its own CosyLift adjustable bed retrofit device, alongside general advice on back pain and mattresses. Readers get sales-oriented reviews and marketing copy dressed up as tests, plus generic sleep and back-health tips.
Website: https://blog.cosyworld.com/
A neuroscientist's bar-themed essay newsletter that explains science through long, character-driven pours, such as how the brain clears waste during sleep and how Brownian motion and termite stigmergy work. Readers get clear, well-sourced explanations of physics and biology wrapped in a personal, storytelling voice.
A board-certified neurologist explains the evidence on modifiable dementia risk factors, including a detailed multi-part series on sleep and cognitive decline. Posts cite specific studies and weigh their limitations, with occasional promotion of his Ohio-based program.
Evidence-based sports nutrition and performance newsletter in Portuguese that unpacks research on exercise cramps, pre-cooling with ice slurry, and sleep extension for athletes. It separates what studies show from popular belief and gives practical application for serious trainees.
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