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For some people, waking up early is a breeze. ... Studies show that having caffeine even six hours before bed can cause sleep ... night mode” on your phone or wearing blue light-blocking glasses ...
The researchers also looked at death records and, after adjusting for factors like alcohol use, smoking, body mass and sleep duration, found that night people had a 9% greater risk of early death ...
High-energy visible light ( HEV light) is short-wave light in the violet / blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health ( blue-light hazard ), which can lead to age-related macular degeneration. [ 1][ 2] Increasingly, blue ...
Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies ...
Rapid eye movement sleep ( REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The REM phase is also known as paradoxical sleep ( PS) and sometimes ...
A Young Man Reading by Candlelight, Matthias Stom. A night owl, evening person or simply owl, is a person who tends or prefers to be active late at night and into the early morning, and to sleep and wake up later than is considered normal; night owls often work or engage in recreational activities late into the night (in some cases, until around dawn), and sleep until relatively late in the day.
Hormone levels, bleeding, a positive pregnancy test and ultrasound of an empty uterus all indicate an ectopic pregnancy. “You can't be 100% — that's the tricky part," said Kate Arnold, an OB ...
A building fire killed eight people, including three adults and five children. Although evidence suggested the fire was accidental, prosecutors believed Rosario and his brothers set the building on fire with Molotov cocktails as revenge for a drug deal. Rosario's Attorney stated he was trying to rescue people from the fire.