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- Dictionarynight-time/ˈnʌɪttʌɪm/
noun
- 1. the time between evening and morning; the time of darkness: "they asked police for extra night-time patrols"
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4 days ago · Definitions of nighttime. noun. the time after sunset and before sunrise while it is dark outside. synonyms: dark, night. see more.
Jun 27, 2024 · On a typical night of sleep, there is not much time that is spent in the waking state. In various sleep studies that have been conducted using the electroencephalography, it has been found that females are awake for 0-1% during their nightly sleep while males are awake for 0-2% during that time.
4 days ago · A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.
Jun 14, 2024 · Nautical twilight, dawn, and dusk refer back to when sailors used the stars as navigation tools and refer to the time of night before the horizon becomes indeterminable in reading the stars. It has been used in military branches to plan tactical operations, which continues to this day.
5 days ago · A circadian rhythm ( / sərˈkeɪdiən / ), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous) and responds to the environment (is entrained by the environment).
Jun 10, 2024 · The study is the first to find that timing blood pressure drugs to a person's personal "chronotype" — that is, whether they are a night owl or an early bird — may reduce the risk for a heart...
Jun 14, 2024 · Key Takeaways. The ideal napping length depends on several factors, including your work schedule and sleep goals. Experts may recommend short power naps between 10–20 minutes long, as well as naps ranging from 30–90 minutes. Studies show that 34% of U.S. adults take naps during the day.
