My previous post explained what sleep scientists have measured during sleep using EEG, and scientists’
current state of interpretations. Included in that post was my definition of objective sleep quality: going through the proper sequence of sleep cycles during the night with sufficient amounts of both stage 3 sleep (slow-wave sleep) and REM sleep. This post will focus on what drives you to be awake during the day, and makes you sleep at night: your circadian rhythm. The term circadian rhythm comes from the latin words “circa” which means “around”, and “dia”, which means day. So, a circadian rhythm is any biological process that cycles around the Earth day, which is 24 hours.
Kirk Sorensen is an advocate of a much safer and more abundant form of nuclear power that uses thorium energy as fuel. I found this documentary riveting and eye opening. Anyone who has any feelings towards nuclear power should give this a watch. Continue reading Thorium Energy – A Source of Nuclear Power→
Featured image courtesy of NASA’s Marshall Space Flight Center.
Introduction:
I began this series by opining that using sunscreen is a misguided approach to protecting yourself from the sun’s radiation (unless under extreme circumstances), and that we should, in fact, be exposing our bare skin to unfiltered sunlight regularly. By the end of this series (still another few posts), I really hope I will have you convinced! Continue reading Sunlight Series: Part 5 – Solar Irradiance and Earth’s Atmosphere→
