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This deep sleep stage makes up about 45 percent of your total sleep. Your heart rate slows and your temperature drops, promoting rest and recovery. You’ll also experience bursts of brain ...
British English meanings Meanings common to British and American English American English meanings pacifier something or somebody that brings peace rubber teat for babies (UK: dummy) paddle a walk through shallow water, especially at the seaside (US approx. wade, also UK usage) [48] an oar used to propel a canoe, kayak or a small boat
The primary difference appears to be that pre-light cultures have more broken-up sleep patterns. For example, people without artificial light might go to sleep far sooner after the sun sets, but then wake up several times throughout the night, punctuating their sleep with periods of wakefulness, perhaps lasting several hours. [147]
Words with specific American meanings that have different meanings in British English and/or additional meanings common to both dialects (e.g., pants, crib) are to be found at List of words having different meanings in British and American English. When such words are herein used or referenced, they are marked with the flag [DM] (different ...
Each sleep cycle lasts about 90 to 110 minutes and includes stages that fall into two main phases: non-REM (or NREM) sleep and REM sleep. Non-REM sleep has three sub-stages: light sleep, deep ...
Sample hypnogram showing one sleep cycle (the first of the night) from NREM through REM. The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and ...
This is a comparison of English dictionaries, which are dictionaries about the language of English.The dictionaries listed here are categorized into "full-size" dictionaries (which extensively cover the language, and are targeted to native speakers), "collegiate" (which are smaller, and often contain other biographical or geographical information useful to college students), and "learner's ...
The usage may also have been influenced by the British term "fag", meaning a younger schoolboy who acts as an older schoolboy's servant. [66] Female and male: the terms have different etymologies. Male originates from Old French masle, a shortened form of Latin masculus. Female originates from Medieval Latin femella, a diminutive of femina.